ci: Bump actions/setup-java from 4 to 5

Bumps <https://github.com/actions/setup-java> from 4 to 5.

NOTE: This requires a minimum runner version of 2.327.1 which we seem to
      currently be on.

Link: Release notes <https://github.com/actions/setup-java/releases>
Link: Commits <actions/setup-java@v4...v5>
Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -177,7 +177,7 @@ jobs:
       ## Java
       ##
 
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: '${{ steps.metadata.outputs.version }}'

.github/workflows/unitctl.yml

@@ -60,7 +60,7 @@ jobs:
           brew install make gnu-sed grep gawk
           echo "MAKE=gmake" >> $GITHUB_ENV
 
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: 21
@@ -137,7 +137,7 @@ jobs:
           brew install make gnu-sed grep gawk
           echo "MAKE=gmake" >> $GITHUB_ENV
 
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: 21