Bump actions/cache from 3 to 4 (#8323)

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

.github/workflows/build.yml

@@ -77,7 +77,7 @@ jobs:
           EXCLUDE_OPTIONAL: ${{ matrix.EXCLUDE_OPTIONAL }}
 
       - name: Cache GSHHG and DCW data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-coastline
         with:
           path: ${{ env.COASTLINEDIR }}

.github/workflows/docker.yml

@@ -82,7 +82,7 @@ jobs:
           fi
 
       - name: Cache GSHHG and DCW data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-coastline
         with:
           path: ${{ env.COASTLINEDIR }}

.github/workflows/docs.yml

@@ -74,7 +74,7 @@ jobs:
           bash ci/install-dependencies-${os}.sh
 
       - name: Cache GSHHG and DCW data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-coastline
         with:
           path: ${{ env.COASTLINEDIR }}

.github/workflows/tests.yml

@@ -85,7 +85,7 @@ jobs:
         if: runner.os == 'Windows'
 
       - name: Cache GSHHG and DCW data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-coastline
         with:
           path: ${{ env.COASTLINEDIR }}