Update actions/cache action to v5

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache Maven packages   # ←この行追加
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.m2/repository

.github/workflows/released.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Cache Maven packages    # ←この行追加
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.m2/repository