Bump actions/setup-java from 1 to 4 (#1262)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 1 to 4.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v1...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/grammar-validator.yaml

@@ -27,7 +27,7 @@ jobs:
         dotnet-version: 8.0.x
 
     - name: Set up JDK 15
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         java-version: 15.0
         distribution: zulu

.github/workflows/update-on-merge.yaml

@@ -36,7 +36,7 @@ jobs:
         dotnet-version: 8.0.x
 
     - name: Set up JDK 15
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v4
       with:
         java-version: 15.0