Update actions/cache to v4

Update these deprecated actions to latest v4 version: https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/ https://github.com/actions/cache/blob/main/examples.md#java---maven

JIRA: LIGHTY-344
Signed-off-by: tobias.pobocik <tobias.pobocik@pantheon.tech>
(cherry picked from commit 24f71af)

Author: Tobianas

.github/workflows/build.yml

@@ -30,14 +30,14 @@ jobs:
         with:
           maven-version: 3.9.8
       - name: Cache SonarCloud packages
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         if: ${{ env.SONAR_TOKEN != 0 }}
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
       - name: Cache Maven packages
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}