chore(deps): 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]>

.github/workflows/pr-code.yml

@@ -54,7 +54,7 @@ jobs:
           check-latest: true
 
       - name: Restore cached Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/go-build

.github/workflows/release.yml

@@ -379,7 +379,7 @@ jobs:
 
       - name: Cache for chart-releaser
         id: cache-cr
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: bin/cr
           key: ${{ runner.os }}-cr-${{ env.CR_VERSION }}
@@ -394,7 +394,7 @@ jobs:
 
       - name: Cache for helm-docs
         id: cache-helm-docs
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: bin/helm-docs
           key: ${{ runner.os }}-helm-docs-${{ env.HELM_DOCS_VERSION }}