fix action link (#8540)

Author: sean1588

Diff for: .github/workflows/automerge-workflow.yml

@@ -25,7 +25,7 @@ jobs:
     needs: [automerge]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"

Diff for: .github/workflows/build-and-deploy.yml

@@ -67,7 +67,7 @@ jobs:
     needs: [buildSite]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"

Diff for: .github/workflows/generate-provider-docs.yml

@@ -134,7 +134,7 @@ jobs:
     needs: [build-tfgen-provider-docs]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"

Diff for: .github/workflows/pulumi-cli.yml

@@ -132,7 +132,7 @@ jobs:
     needs: [pull-request, build-pulumi-cli-docs]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"

Diff for: .github/workflows/update-theme.yml

@@ -69,7 +69,7 @@ jobs:
     needs: [merge]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"

Diff for: .github/workflows/update-tutorials.yml

@@ -41,7 +41,7 @@ jobs:
     needs: [merge]
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
+        uses: docker://sholung/action-slack-notify:v2.3.0
         env:
           SLACK_CHANNEL: docs-ops
           SLACK_COLOR: "#F54242"