Rework docs deployment workflow

Author: tcbegley

.github/actions/push_docs/action.yml

@@ -1,12 +1,6 @@
 name: Push Docs
 description: Push Docs to Heroku
 inputs:
-  heroku-api-token:
-    description: API token for Heroku
-    required: true
-  heroku-app-name:
-    description: App name
-    required: true
   commit_user_name:
     description: Name used for the commit user
     required: false
@@ -19,11 +13,8 @@ runs:
   using: "composite"
   steps:
     - run: |
-       git checkout -b inv-push-docs
        git add docs/examples/vendor/*.py -f
        git -c user.name="${{ inputs.commit_user_name }}" -c user.email="${{ inputs.commit_user_email }}" commit -m "Add examples" --allow-empty
-       git subtree split --prefix docs -b inv-push-docs-subtree
-       git push -f https://heroku:${{ inputs.heroku-api-token }}@git.heroku.com/${{ inputs.heroku-app-name }}.git inv-push-docs-subtree:master
-       git checkout master
-       git branch -D inv-push-docs inv-push-docs-subtree
+       git subtree split --prefix docs -b docs-deploy
+       git push -f origin docs-deploy
       shell: bash

.github/workflows/build-docs.yml

@@ -7,6 +7,8 @@ on:
     paths:
       - docs/**
       - examples/**
+      - .github/workflows/build-docs.yml
+      - .github/actions/push_docs/**
 
 jobs:
   build_docs:
@@ -22,7 +24,5 @@ jobs:
         run: python -m pip install invoke semver termcolor
       - name: Copy examples to docs/
         run: invoke copy-examples
-      - uses: ./.github/actions/push_docs
-        with:
-          heroku-api-token: ${{ secrets.HEROKU_API_TOKEN }}
-          heroku-app-name: ${{ secrets.HEROKU_APP_NAME }}
+      - name: Push docs
+        uses: ./.github/actions/push_docs