Merge pull request #22 from takehiro1111/renovate/actions-cache-4.x

Update actions/cache action to v4

Author: takehiro1111

.github/workflows/s3_conversion.yaml

@@ -32,13 +32,13 @@ jobs:
 
       - uses: actions/setup-python@v4
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
 
       # SAMビルドのキャッシュ
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: .aws-sam/build
           key: ${{ runner.os }}-sam-build-${{ hashFiles('**/*.py') }}