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](https://github.com/actions/cache/compare/v3...v4)

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

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

.github/workflows/build-test.yaml

@@ -29,7 +29,7 @@ jobs:
 
       # Saves us from having to redownload all modules
       - name: Go Mod cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/go-build
@@ -86,7 +86,7 @@ jobs:
         shell: bash
         run: echo "dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: npm-cache # use this to check for `cache-hit` ==> if: steps.npm-cache.outputs.cache-hit != 'true'
         with:
           path: ${{ steps.npm-cache-dir.outputs.dir }}