chore: bump actions/cache from 3 to 4 (#426)

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/tests.yml

@@ -19,15 +19,15 @@ jobs:
           distribution: "temurin"
 
       - name: Cache npm dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: npm-cache
         with:
           path: "**/node_modules"
           key: npm-cache-v1-${{ runner.os }}-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             npm-cache-v1-${{ runner.os }}-
       - name: Cache Maven dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: maven-cache
         with:
           path: ~/.m2/repository
@@ -69,15 +69,15 @@ jobs:
         java: [8, 11, 17]
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Restore npm cache
         id: npm-cache
         with:
           path: "**/node_modules"
           key: npm-cache-v1-${{ runner.os }}-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             npm-cache-v1-${{ runner.os }}-
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Restore Maven cache
         id: maven-cache
         with:
@@ -100,15 +100,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Restore npm cache
         id: npm-cache
         with:
           path: "**/node_modules"
           key: npm-cache-v1-${{ runner.os }}-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             npm-cache-v1-${{ runner.os }}-
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Restore Maven cache
         id: maven-cache
         with: