Bump actions/checkout from 4 to 5 (sublimelsp#130)

Bumps [actions/checkout](https://github.com/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)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/on-new-release.yml

@@ -7,7 +7,7 @@ jobs:
     if: github.event.action == 'lsp-add-or-update-package'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - id: make-pr
         run: python3 auto-update-repository.py <<<'${{ toJson(github.event.client_payload) }}'
       - uses: peter-evans/create-pull-request@v7

.github/workflows/on-pull-request.yml

@@ -8,7 +8,7 @@ jobs:
   trigger-review:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
           ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/on-push-to-main.yml

@@ -9,6 +9,6 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: packagecontrol/st-schema-reviewer-action@v1