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/dev-image.yml

@@ -15,7 +15,7 @@ jobs:
         uses: crazy-max/ghaction-docker-buildx@v3
       -
         name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: /tmp/.buildx-cache

.github/workflows/docker-image.yml

@@ -15,7 +15,7 @@ jobs:
         uses: crazy-max/ghaction-docker-buildx@v3
       -
         name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: /tmp/.buildx-cache

.github/workflows/tests.yaml

@@ -14,7 +14,7 @@ jobs:
         uses: crazy-max/ghaction-docker-buildx@v3
       -
         name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: /tmp/.buildx-cache
@@ -42,7 +42,7 @@ jobs:
   #       uses: crazy-max/ghaction-docker-buildx@v3
   #     -
   #       name: Cache Docker layers
-  #       uses: actions/cache@v3
+  #       uses: actions/cache@v4
   #       id: cache
   #       with:
   #         path: /tmp/.buildx-cache
@@ -70,7 +70,7 @@ jobs:
         uses: crazy-max/ghaction-docker-buildx@v3
       -
         name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: /tmp/.buildx-cache