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]>

Author: dependabot[bot]

.github/workflows/build_and_publish.yml

@@ -41,7 +41,7 @@ jobs:
           echo "month=$(date +'%Y-%m')" >> "$GITHUB_OUTPUT"
           echo "day=$(date +'%d')" >> "$GITHUB_OUTPUT"
       - name: Restoring cached GitHub API results
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             .cache-github-api
@@ -67,7 +67,7 @@ jobs:
           SEGMENT_KEY: ${{ secrets.SEGMENT_KEY }}
 
       - name: Caching GitHub API results
-        uses: actions/cache/save@v3  # save the cache even if the integration tests fail
+        uses: actions/cache/save@v4  # save the cache even if the integration tests fail
         with:
           path: |
             .cache-github-api

.github/workflows/check-external-links.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Restoring cached GitHub API results
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             .cache-github-api
@@ -42,7 +42,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SEGMENT_KEY: ${{ secrets.SEGMENT_KEY }}
       - name: Caching GitHub API results
-        uses: actions/cache/save@v3  # save the cache even if the integration tests fail
+        uses: actions/cache/save@v4  # save the cache even if the integration tests fail
         with:
           path: |
             .cache-github-api