build(deps): bump the github-actions group with 3 updates

Bumps the github-actions group with 3 updates: [DavidAnson/markdownlint-cli2-action](https://github.com/davidanson/markdownlint-cli2-action), [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) and [actions/cache](https://github.com/actions/cache).


Updates `DavidAnson/markdownlint-cli2-action` from 21 to 22
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](https://github.com/davidanson/markdownlint-cli2-action/compare/v21...v22)

Updates `peter-evans/create-pull-request` from 7 to 8
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](https://github.com/peter-evans/create-pull-request/compare/v7...v8)

Updates `actions/cache` from 4 to 5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

---
updated-dependencies:
- dependency-name: DavidAnson/markdownlint-cli2-action
  dependency-version: '22'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: peter-evans/create-pull-request
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
 
       - run: git ls-files -- '*.c' '*.h' | xargs clang-format --dry-run --Werror
 
-      - uses: DavidAnson/markdownlint-cli2-action@v21
+      - uses: DavidAnson/markdownlint-cli2-action@v22
 
       - run: taplo fmt --check
 
@@ -47,7 +47,7 @@ jobs:
         if: ${{ !(github.event_name == 'schedule' && github.repository == 'aya-rs/aya') }}
       - run: cargo xtask public-api --bless
         if: ${{ (github.event_name == 'schedule' && github.repository == 'aya-rs/aya') }}
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         if: ${{ (github.event_name == 'schedule' && github.repository == 'aya-rs/aya') }}
         with:
           # GitHub actions aren't allowed to trigger other actions to prevent
@@ -351,7 +351,7 @@ jobs:
             --git https://github.com/aya-rs/bpf-linker.git bpf-linker \
             --no-default-features --features "llvm-21,${LLVM_LINK_FEATURE}" --force
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: test/.tmp
           key: ${{ runner.arch }}-${{ runner.os }}-test-cache-${{ matrix.download-kernel-images }}

.github/workflows/gen.yml

@@ -42,7 +42,7 @@ jobs:
         working-directory: xtask/libbpf
         run: echo "sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
 
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         if: ${{ github.repository == 'aya-rs/aya' }}
         with:
           # GitHub actions aren't allowed to trigger other actions to prevent