chore(ci): bump the actions group across 1 directory with 2 updates (#296)

Bumps the actions group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [amannn/action-semantic-pull-request](https://github.com/amannn/action-semantic-pull-request).


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

Updates `amannn/action-semantic-pull-request` from 5 to 6
- [Release notes](https://github.com/amannn/action-semantic-pull-request/releases)
- [Changelog](https://github.com/amannn/action-semantic-pull-request/blob/main/CHANGELOG.md)
- [Commits](amannn/action-semantic-pull-request@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: amannn/action-semantic-pull-request
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       RUST_MIN_STACK: 20971520
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
 

.github/workflows/docs.yml

@@ -17,7 +17,7 @@ jobs:
       RUST_MIN_STACK: 20971520
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
 

.github/workflows/lint-pr.yml

@@ -15,6 +15,6 @@ jobs:
     name: Validate PR title
     runs-on: ubuntu-latest
     steps:
-      - uses: amannn/action-semantic-pull-request@v5
+      - uses: amannn/action-semantic-pull-request@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}