update cache action to v4

Author: Karry

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
         run: sbt ci-release
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-gems