Remove usage to deprecated 'set-output' command

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

.github/workflows/gradle.yml

@@ -10,9 +10,6 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    env:
-      WORKSPACE: ${{ github.workspace }}
-      GRADLE_OPTS: -Xmx1500m -Dfile.encoding=UTF-8
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK
@@ -70,5 +67,5 @@ jobs:
           BRANCH: gh-pages
           FOLDER: build/docs
           DOC_FOLDER: gh-pages
-          COMMIT_EMAIL: behlp@objectcomputing.com
+          COMMIT_EMAIL: behlp@unityfoundation.io
           COMMIT_NAME: Puneet Behl

.github/workflows/release-notes.yml

@@ -15,10 +15,10 @@ jobs:
         id: check_release_drafter
         run: |
           has_release_drafter=$([ -f .github/release-drafter.yml ] && echo "true" || echo "false")
-          echo ::set-output name=has_release_drafter::${has_release_drafter}
+          echo "has_release_drafter=${has_release_drafter}" >> $GITHUB_OUTPUT
       - name: Extract branch name
         id: extract_branch
-        run: echo ::set-output name=value::${GITHUB_REF:11}
+        run: echo "value=${GITHUB_REF:11}" >> $GITHUB_OUTPUT
       # If it has release drafter:
       - uses: release-drafter/[email protected]
         if: steps.check_release_drafter.outputs.has_release_drafter == 'true'

.github/workflows/release.yml

@@ -7,21 +7,20 @@ jobs:
     runs-on: ubuntu-latest
     env:
       GIT_USER_NAME: puneetbehl
-      GIT_USER_EMAIL: behlp@objectcomputing.com
+      GIT_USER_EMAIL: behlp@unityfoundation.io
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
           token: ${{ secrets.GH_TOKEN }}
-      - uses: gradle/wrapper-validation-action@v1
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
           distribution: 'adopt'
           java-version: 11
       - name: Set the current release version
         id: release_version
-        run: echo ::set-output name=release_version::${GITHUB_REF:11}
+        run: echo "release_version=${GITHUB_REF:11}" >> $GITHUB_OUTPUT
       - name: Run pre-release
         uses: micronaut-projects/github-actions/pre-release@master
         with:
@@ -68,7 +67,7 @@ jobs:
           BRANCH: gh-pages
           FOLDER: build/docs
           DOC_FOLDER: gh-pages
-          COMMIT_EMAIL: behlp@objectcomputing.com
+          COMMIT_EMAIL: behlp@unityfoundation.io
           COMMIT_NAME: Puneet Behl
           VERSION: ${{ steps.release_version.outputs.release_version }}
       - name: Run post-release