Build/Test Tools: Update slackapi/slack-github-action.

This makes the necessary changes to update the Slack GitHub Action to the latest version, currently `2.0.0`.

Most notably this update provides more control over how attempts re retried when rate limiting is encountered.

Reverts [59209].

See #61701, #62221.

git-svn-id: https://develop.svn.wordpress.org/trunk@59519 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/slack-notifications.yml

@@ -161,66 +161,62 @@ jobs:
   failure:
     name: Failure notifications
     runs-on: ubuntu-latest
-    continue-on-error: true
-    timeout-minutes: 5
+    timeout-minutes: 10
     needs: [ prepare ]
     if: ${{ needs.prepare.outputs.previous_conclusion != 'first-failure' && inputs.calling_status == 'failure' || failure() }}
 
     steps:
       - name: Post failure notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
+          webhook-type: webhook-trigger
+          webhook: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
           payload: ${{ needs.prepare.outputs.payload }}
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
 
   # Posts notifications the first time a workflow run succeeds after previously failing.
   fixed:
     name: Fixed notifications
     runs-on: ubuntu-latest
-    continue-on-error: true
-    timeout-minutes: 5
+    timeout-minutes: 10
     needs: [ prepare ]
     if: ${{ contains( fromJson( '["failure", "cancelled", "none"]' ), needs.prepare.outputs.previous_conclusion ) && inputs.calling_status == 'success' && success() }}
 
     steps:
       - name: Post failure notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
+          webhook-type: webhook-trigger
+          webhook: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
           payload: ${{ needs.prepare.outputs.payload }}
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
 
   # Posts notifications when a workflow is successful.
   success:
     name: Success notifications
     runs-on: ubuntu-latest
-    continue-on-error: true
-    timeout-minutes: 5
+    timeout-minutes: 10
     needs: [ prepare ]
     if: ${{ inputs.calling_status == 'success' && success() }}
 
     steps:
       - name: Post success notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
+          webhook-type: webhook-trigger
+          webhook: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
           payload: ${{ needs.prepare.outputs.payload }}
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
 
   # Posts notifications when a workflow is cancelled.
   cancelled:
     name: Cancelled notifications
     runs-on: ubuntu-latest
-    continue-on-error: true
-    timeout-minutes: 5
+    timeout-minutes: 10
     needs: [ prepare ]
     if: ${{ inputs.calling_status == 'cancelled' || cancelled() }}
 
     steps:
       - name: Post cancelled notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
+          webhook-type: webhook-trigger
+          webhook: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
           payload: ${{ needs.prepare.outputs.payload }}
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}