Update actions/cache action to v5

Author: renovate[bot]

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
           java-version: 21
           distribution: 'temurin'
       - name: Cache Maven packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
           java-version: '21'
           distribution: 'temurin'
       - name: Cache Maven packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}