Chore: Switching to new output format for detect breaking changes action (grafana#58516)

* Switching to new output format for detect breaking changes action

* linting: wrap $GITHUB_OUTPUT with double quotes

* linting: fix shellcheck issues in the right place 🤦‍♂️

Co-authored-by: Levente Balogh <balogh.levente.hu@gmail.com>

Author: tolzhabayev

.github/workflows/detect-breaking-changes-build.yml

@@ -26,7 +26,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
+      run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
 
     - name: Restore yarn cache
       uses: actions/cache@v3.0.11
@@ -74,7 +74,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
+      run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
 
     - name: Restore yarn cache
       uses: actions/cache@v3.0.11

scripts/check-breaking-changes.sh

@@ -48,8 +48,8 @@ while IFS=" " read -r -a package; do
 done <<< "$PACKAGES"
 
 # "Export" the message to an environment variable that can be used across Github Actions steps
-echo "::set-output name=is_breaking::$EXIT_CODE"
-echo "::set-output name=message::$GITHUB_MESSAGE"
+echo "is_breaking=$EXIT_CODE" >> "$GITHUB_OUTPUT"
+echo "message=$GITHUB_MESSAGE" >> "$GITHUB_OUTPUT"
 
 # We will exit the workflow accordingly at another step
 exit 0