Updated Slack workflow with new PAT + small fixes to quotes (#588)

Author: lamATnginx

.github/workflows/build-push.yml

@@ -84,10 +84,10 @@ jobs:
            curl -L \
               -X POST \
               -H "Accept: application/vnd.github+json" \
-              -H "Authorization: Bearer ${{ secrets.F5_CLA_TOKEN }}" \
+              -H "Authorization: Bearer ${{ secrets.DOCUMENTATION_SLACK_FLOW_PAT }}" \
               -H "X-GitHub-Api-Version: 2022-11-28" \
               "https://api.github.com/repos/${{ secrets.OWNER }}/${{ secrets.REPO }}/dispatches" \
-              -d "{"event_type": "trigger-slack-notification", "client_payload": {"previewURL": "${{ env.PREVIEW_URL }}",  "author": "${{ github.event.client_payload.author}}", "tag_name": "${{ github.event.client_payload.tag_name }}", "release_name": "${{ github.event.client_payload.release_name }}"}}"
+              -d "{\"event_type\": \"trigger-slack-notification\", \"client_payload\": {\"previewURL\": \"${{ env.PREVIEW_URL }}\",  \"author\": \"${{ github.event.client_payload.author}}\", \"tag_name\": \"${{ github.event.client_payload.tag_name }}\", \"release_name\": \"${{ github.event.client_payload.release_name }}\"}}"
     env:
       PREVIEW_URL: ${{ needs.call-docs-build-push.outputs.PREVIEW_URL }}