Add workflow to handle regressions

.github/workflows/regressions.yml

@@ -0,0 +1,83 @@
+name: Handle Label Notifications
+permissions: {}
+
+on:
+  issues:
+    types:
+      - labeled
+
+  pull_request_target:
+    types:
+      - labeled
+
+jobs:
+  process:
+    name: Process Label
+    if: github.event.label.name == 'regression' || github.event.label.name == 'crash'
+    runs-on: ubuntu-latest
+
+    env:
+      ISSUE_URL: ${{ github.event.issue.html_url || github.event.pull_request.html_url }}
+
+    steps:
+      - name: Send Slack Notification
+        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        env:
+          ISSUE_TITLE: ${{ toJSON(github.event.issue.title || github.event.pull_request.title) }}
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+        with:
+          channel-id: ${{ secrets.SLACK_CHANNEL }}
+          payload: |
+            {
+              "blocks": [
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": ":warning: The following has been labeled as a ${{ github.event.label.name }}:"
+                  }
+                },
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": ${{ toJSON(format('<{0}|{1}>', env.ISSUE_URL, env.ISSUE_TITLE)) }}
+                  }
+                }
+              ]
+            }
+
+      - name: Generate GitHub App Token
+        id: token
+        uses: actions/create-github-app-token@c8f55efbd427e7465d6da1106e7979bc8aaee856 # v1.10.1
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PEM }}
+
+      - name: Add prioritized Label
+        env:
+          GH_CLI_SUBCOMMAND: ${{ github.event_name == 'pull_request_target' && 'pr' || 'issue' }}
+          GH_TOKEN: ${{ steps.token.outputs.token }}
+        run: |
+          gh $GH_CLI_SUBCOMMAND edit "$ISSUE_URL" --add-label prioritized
+
+      - name: Move to the Top of the Team Working Board
+        env:
+          GH_TOKEN: ${{ steps.token.outputs.token }}
+        run: |
+          PROJECT_ITEM_ID=$(gh project item-add 196 --owner "hashicorp" --url "$ISSUE_URL" --format json --jq '.id')
+
+          gh project item-edit \
+            --id "$PROJECT_ITEM_ID" \
+            --project-id "PVT_kwDOAAuecM4AF-7h" \
+            --field-id "PVTSSF_lADOAAuecM4AF-7hzgMRB34" \
+            --single-select-option-id "${{ vars.team_project_view_working_board }}"
+
+          gh api graphql \
+            -F itemId="$PROJECT_ITEM_ID" \
+            -F projectId="PVT_kwDOAAuecM4AF-7h" \
+            -f query='mutation($itemId:ID!, $projectId:ID!) {
+                        updateProjectV2ItemPosition(input:{itemId:$itemId, projectId:$projectId}) {
+                          clientMutationId
+                        }
+                      }'