Update Action for Readthedocs according GitHub Flow dev process

Author: liudmylaru

.github/workflows/publish-to-readthedocs.yml

@@ -5,14 +5,6 @@ on:
   push:
     tags:
       - 'v*.*.*'
-  # Auto-trigger this workflow on merge to main changes in docs/** folder
-  pull_request_target:
-    types:
-      - closed
-    branches:
-      - main
-    paths:
-      - 'docs/**'
 
 env:
   RTDS_ADS_PROJECT: https://readthedocs.org/api/v3/projects/accelerated-data-science
@@ -24,17 +16,16 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: When PR ✅ merged - Trigger Readthedocs build
-        if: github.event_name == 'pull_request_target' && github.event.pull_request.merged == true
+      - name: When tag 🏷️ pushed - Trigger Readthedocs build
+        if: github.event_name == 'push' && startsWith(github.ref_name, 'v')
         run: |
+          # trigger build/publish of latest version
           curl \
             -X POST \
             -H "Authorization: Token $RTDS_ADS_TOKEN" $RTDS_ADS_PROJECT/versions/latest/builds/
-      - name: When tag 🏷️ pushed - Trigger Readthedocs build
-        if: github.event_name == 'push' && startsWith(github.ref_name, 'v')
-        run: |
-          # add 10 minutes wait time for readthedocs see freshly created tag
-          sleep 10m
+          # add 15 minutes wait time for readthedocs see freshly created tag
+          sleep 15m
+          # trigger build/publish of v*.*.* version
           curl \
             -X POST \
             -H "Authorization: Token $RTDS_ADS_TOKEN" $RTDS_ADS_PROJECT/versions/${{ github.ref_name }}/builds/