Workflow: Replace `actions/post-slack` with centrally defined workflow (#30737)

* Remove commit details

* remove old workflow

.github/actions/post-slack/action.yml

-name: Send message to slack
-
-description: 'Send results to slack'
-author: 'Hugging Face'
-inputs:
-  slack_channel:
-    required: true
-    type: string
-  title:
-    required: true
-    type: string
-  status:
-    required: true
-    type: string
-  slack_token:
-    required: true
-    type: string
-
-runs:
-  using: "composite"
-  steps:
-    - name: Create content to post
-      id: create-message
-      run: |
-        if [ "${{ inputs.status }}" == "success" ]; then
-          echo STATUS_MESSAGE='🟢 Tests are passing!' >> $GITHUB_ENV
-        else
-          echo STATUS_MESSAGE='🔴 Tests failed! Please check the GitHub action link below' >> $GITHUB_ENV
-        fi
-      shell: bash
-
-    - name: Post Canceled results Slack channel
-      id: post-slack
-      uses: slackapi/slack-github-action@6c661ce58804a1a20f6dc5fbee7f0381b469e001
-      with:
-        # Slack channel id, channel name, or user id to post message.
-        # See also: https://api.slack.com/methods/chat.postMessage#channels
-        channel-id: ${{ inputs.slack_channel }}
-        # For posting a rich message using Block Kit
-        payload: |
-          {
-            "text": "${{ inputs.title }}",
-            "blocks": [
-              {
-                "type": "header",
-                "text": {
-                    "type": "plain_text",
-                    "text": "${{ inputs.title }}"
-                }
-              },
-              {
-                "type": "section",
-                "text": {
-                  "type": "mrkdwn",
-                  "text": "${{ env.STATUS_MESSAGE }}"
-                }
-              },
-              {
-                "type": "section",
-                "text": {"type": "mrkdwn", "text": "*Click the button for more details about the commit*"},
-                "accessory": {
-                    "type": "button",
-                    "text": {"type": "plain_text", "text": "Check Commit results"},
-                    "url": "${{ github.event.pull_request.html_url || github.event.head_commit.url }}"
-                }
-              },
-              {
-                "type": "section",
-                "text": {"type": "mrkdwn", "text": "*Click here for more details about the action ran*"},
-                "accessory": {
-                    "type": "button",
-                    "text": {"type": "plain_text", "text": "Check Action results"},
-                    "url": "${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
-                }
-              }
-            ]
-          }
-      env:
-        SLACK_BOT_TOKEN: ${{ inputs.slack_token }}
\ No newline at end of file

.github/workflows/push-important-models.yml

@@ -97,7 +97,7 @@ jobs:
       
       - name: Post to Slack
         if: always()
-        uses: ./.github/actions/post-slack
+        uses: huggingface/hf-workflows/.github/actions/post-slack@main
         with:
           slack_channel: ${{ env.OUTPUT_SLACK_CHANNEL_ID }}
           title: 🤗 Results of the FA2 tests - ${{ matrix.model-name }}
@@ -119,7 +119,7 @@ jobs:
 
       - name: Post to Slack
         if: always()
-        uses: ./.github/actions/post-slack
+        uses: huggingface/hf-workflows/.github/actions/post-slack@main 
         with:
           slack_channel: ${{ env.OUTPUT_SLACK_CHANNEL_ID }}
           title: 🤗 Results of the Integration tests - ${{ matrix.model-name }}