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] <support@github.com>

.github/workflows/action-test.yml

@@ -30,7 +30,7 @@ jobs:
           path: src
           fetch-depth: 0
       - name: maven cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/linkcheck.yml

@@ -30,7 +30,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
       - name: maven cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/yetus.yml

@@ -34,7 +34,7 @@ jobs:
           path: src
           fetch-depth: 0
       - name: maven cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}