Upgrade generator.

- Version 0.7.6 of `generator` was yanked.  Upgrade to the latest
    version.

Cargo.lock

@@ -1382,12 +1382,11 @@ dependencies = [
 
 [[package]]
 name = "generator"
-version = "0.7.6"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b25e5b3e733153bcab35ee4671b46604b42516163cae442d1601cb716f2ac5"
+checksum = "5cc16584ff22b460a382b7feec54b23d2908d858152e5739a120b949293bd74e"
 dependencies = [
  "cc",
- "cfg-if",
  "libc",
  "log",
  "rustversion",
@@ -1762,7 +1761,7 @@ dependencies = [
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows-core 0.52.0",
+ "windows-core",
 ]
 
 [[package]]
@@ -4408,12 +4407,11 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows"
-version = "0.53.0"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efc5cf48f83140dcaab716eeaea345f9e93d0018fb81162753a3f76c3397b538"
+checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
 dependencies = [
- "windows-core 0.53.0",
- "windows-targets 0.52.4",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -4425,25 +4423,6 @@ dependencies = [
  "windows-targets 0.52.4",
 ]
 
-[[package]]
-name = "windows-core"
-version = "0.53.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dcc5b895a6377f1ab9fa55acedab1fd5ac0db66ad1e6c7f47e28a22e446a5dd"
-dependencies = [
- "windows-result",
- "windows-targets 0.52.4",
-]
-
-[[package]]
-name = "windows-result"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd19df78e5168dfb0aedc343d1d1b8d422ab2db6756d2dc3fef75035402a3f64"
-dependencies = [
- "windows-targets 0.52.4",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.45.0"