build(deps): bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/autogenerated-files.yml

@@ -30,7 +30,7 @@ jobs:
           test-bot: true
 
       - name: Cache Bundler RubyGems
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}

.github/workflows/sponsors-maintainers-man-completions.yml

@@ -45,7 +45,7 @@ jobs:
           signing_key: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY }}
 
       - name: Cache Bundler RubyGems
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}

.github/workflows/tests.yml

@@ -35,7 +35,7 @@ jobs:
           test-bot: false
 
       - name: Cache Bundler RubyGems
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-syntax-${{ steps.set-up-homebrew.outputs.gems-hash }}
@@ -48,7 +48,7 @@ jobs:
         run: brew install shellcheck shfmt
 
       - name: Cache style cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/Homebrew/style
           key: syntax-style-cache-${{ github.sha }}
@@ -86,7 +86,7 @@ jobs:
           test-bot: true
 
       - name: Cache Bundler RubyGems
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-tap-syntax-${{ steps.set-up-homebrew.outputs.gems-hash }}
@@ -96,7 +96,7 @@ jobs:
         run: brew install-bundler-gems --groups=style
 
       - name: Cache style cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/Homebrew/style
           key: tap-syntax-style-cache-${{ github.sha }}
@@ -318,7 +318,7 @@ jobs:
           test-bot: false
 
       - name: Cache Bundler RubyGems
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ matrix.runs-on }}-tests-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
@@ -333,7 +333,7 @@ jobs:
         run: mkdir tests
 
       - name: Cache parallel tests log
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tests
           key: ${{ runner.os }}-${{ matrix.test-flags }}-parallel_runtime_rspec-${{ github.sha }}