Enable Gradle cache in build.yml and windows-build.yml workflows using gradle/actions/setup-gradle (#702)

* Initial plan

* Enable Gradle cache in GitHub Actions workflows

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

* Remove accidental test files that were not part of the caching changes

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

* Add Gradle cache to create-release.yml workflow

The create-release.yml workflow also uses Gradle for publishing packages but was missing the gradle-build-action caching configuration. This adds the proper setup step with gradle-version: wrapper to enable caching for the publish job as well.

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

* Replace deprecated gradle/gradle-build-action with gradle/actions/setup-gradle

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

* Limit Gradle cache to windows-build.yml only as requested

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

* Enable Gradle cache in build.yml workflow for make command optimization

Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: yutaro-sakamoto <80912876+yutaro-sakamoto@users.noreply.github.com>

Author: Copilot

.github/workflows/build.yml

@@ -53,6 +53,11 @@ jobs:
       - name: Checkout opensource COBOL 4J
         uses: actions/checkout@v5
 
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          gradle-version: wrapper
+      
       - name: Install opensource COBOL 4J
         if: inputs.configure-args == ''
         run: |

.github/workflows/windows-build.yml

@@ -29,6 +29,11 @@ jobs:
       - name: Restore NuGet packages
         run: nuget restore ./win/
 
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          gradle-version: wrapper
+      
       - name: Install opensource COBOL 4J
         working-directory: libcobj
         run: ./gradlew shadowJar