Bump actions/cache from 2 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/container_app_pr.yml

@@ -27,7 +27,7 @@ jobs:
               with:
                   java-version: "17"
                   distribution: 'adopt'
-            - uses: actions/cache@v3
+            - uses: actions/cache@v4
               with:
                   path: ~/.m2
                   key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/spi_release.yml

@@ -45,7 +45,7 @@ jobs:
                   server-id: ossrh
                   server-username: MAVEN_USERNAME
                   server-password: MAVEN_PASSWORD
-            - uses: actions/cache@v2
+            - uses: actions/cache@v4
               with:
                   path: ~/.m2
                   key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -68,7 +68,7 @@ jobs:
                 with:
                     java-version: '17'
                     distribution: 'adopt'
-            -   uses: actions/cache@v2
+            -   uses: actions/cache@v4
                 with:
                     path: ~/.m2
                     key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}