chore: Configure Renovate (#284)

Welcome to [Renovate](https://github.com/renovatebot/renovate)! This is an onboarding PR to help you understand and configure settings before regular Pull Requests begin.

🚦 To activate Renovate, merge this Pull Request. To disable Renovate, simply close this Pull Request unmerged.

---
### Detected Package Files

 * `Dockerfile` (dockerfile)
 * `go.mod` (gomod)
 * `.woodpecker.yml` (woodpecker)

### Configuration Summary

Based on the default config's presets, Renovate will:

  - Start dependency updates only once this onboarding PR is merged
  - Enable Renovate Dependency Dashboard creation.
  - Use semantic commit type `fix` for dependencies and `chore` for all others if semantic commits are in use.
  - Ignore `node_modules`, `bower_components`, `vendor` and various test/tests directories.
  - Group known monorepo packages together.
  - Use curated list of recommended non-monorepo package groupings.
  - Apply crowd-sourced package replacement rules.
  - Apply crowd-sourced workarounds for known problems with packages.
  - Run lock file maintenance (updates) early Monday mornings.
  - Schedule automerge daily.
  - Schedule for weekends.
  - Enable Renovate Dependency Dashboard creation.
  - Use semantic commit type `fix` for dependencies and `chore` for all others if semantic commits are in use.
  - Ignore `node_modules`, `bower_components`, `vendor` and various test/tests directories.
  - Group known monorepo packages together.
  - Use curated list of recommended non-monorepo package groupings.
  - Apply crowd-sourced package replacement rules.
  - Apply crowd-sourced workarounds for known problems with packages.
  - Run lock file maintenance (updates) early Monday mornings.
  - Enable the pre-commit manager.
  - Schedule automerge daily.
  - Schedule for weekends.
  - Run Renovate on following schedule: every weekend

🔡 Do you want to change how Renovate upgrades your dependencies? Add your custom config to `renovate.json` in this branch. Renovate will update the Pull Request description the next time it runs.

---

### What to Expect

With your current configuration, Renovate will create 3 Pull Requests:

<details>
<summary>fix(deps): update golang.org/x/exp digest to fe59bbe</summary>

  - Schedule: ["every weekend"]
  - Branch name: `renovate/golang.org-x-exp-digest`
  - Merge into: `main`
  - Upgrade golang.org/x/exp to `fe59bbe5cc7f158318a9631d96683d2df264a3c1`

</details>

<details>
<summary>chore(deps): update golang docker tag to v1.22</summary>

  - Schedule: ["every weekend"]
  - Branch name: `renovate/golang-1.x`
  - Merge into: `main`
  - Upgrade golang to `1.22`

</details>

<details>
<summary>fix(deps): update golang deps non-major</summary>

  - Schedule: ["before 4am"]
  - Branch name: `renovate/golang-deps-non-major`
  - Merge into: `main`
  - Upgrade [github.com/go-acme/lego/v4](https://github.com/go-acme/lego) to `v4.16.1`
  - Upgrade [github.com/go-sql-driver/mysql](https://github.com/go-sql-driver/mysql) to `v1.8.1`
  - Upgrade [github.com/joho/godotenv](https://github.com/joho/godotenv) to `v1.5.1`
  - Upgrade [github.com/lib/pq](https://github.com/lib/pq) to `v1.10.9`
  - Upgrade [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3) to `v1.14.22`
  - Upgrade [github.com/pelletier/go-toml/v2](https://github.com/pelletier/go-toml) to `v2.2.1`
  - Upgrade [github.com/reugn/equalizer](https://github.com/reugn/equalizer) to `11d4adaf94377c6ab5d3fc2d434cd539de78cb73`
  - Upgrade [github.com/rs/zerolog](https://github.com/rs/zerolog) to `v1.32.0`
  - Upgrade [github.com/stretchr/testify](https://github.com/stretchr/testify) to `v1.9.0`
  - Upgrade [github.com/urfave/cli/v2](https://github.com/urfave/cli) to `v2.27.1`
  - Upgrade [go](https://github.com/golang/go) to `1.22.2`
  - Upgrade xorm.io/xorm to `v1.3.9`

</details>

<br />

🚸 Branch creation will be limited to maximum 2 per hour, so it doesn't swamp any CI resources or overwhelm the project. See docs for `prhourlylimit` for details.

---
>
> ⚠ **Warning**
>
> Please correct - or verify that you can safely ignore - these dependency lookup failures before you merge this PR.
>
> -   `Could not determine new digest for update (go package code.gitea.io/sdk/gitea)`
>
> Files affected: `go.mod`

---

❓ Got questions? Check out Renovate's [Docs](https://docs.renovatebot.com/), particularly the Getting Started section.
If you need any further assistance then you can also [request help here](https://github.com/renovatebot/renovate/discussions).

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

<!--renovate-config-hash:acabd6a7cf9709f3e5bde5fbf7813a36992e721d3e0c5f81180c645a72861fec-->

Co-authored-by: woodpecker-bot <woodpecker-bot@obermui.de>
Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-authored-by: Patrick Schratz <pat-s@noreply.codeberg.org>
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/284
Co-authored-by: Dependency bot <renovate-bot@noreply.codeberg.org>
Co-committed-by: Dependency bot <renovate-bot@noreply.codeberg.org>

renovate.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    ":maintainLockFilesWeekly",
+    ":enablePreCommit",
+    "schedule:automergeDaily",
+    "schedule:weekends"
+  ],
+  "automergeType": "branch",
+  "automergeMajor": false,
+  "automerge": true,
+  "prConcurrentLimit": 5,
+  "labels": ["dependencies"],
+  "packageRules": [
+    {
+      "matchManagers": ["gomod", "dockerfile"]
+    },
+    {
+      "groupName": "golang deps non-major",
+      "matchManagers": ["gomod"],
+      "matchUpdateTypes": ["minor", "patch"],
+      "extends": ["schedule:daily"]
+    }
+  ],
+  "postUpdateOptions": ["gomodTidy", "gomodUpdateImportPaths"]
+}