update techdoc publish workflow (#189)

* update techdoc publish workflow

* finalize workflow change

Author: zsbutosi

.github/workflows/techdocs.yaml

@@ -17,12 +17,14 @@ jobs:
       - uses: actions/setup-node@v4
 
       - uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
 
       - name: Install techdocs-cli
         run: sudo npm install -g @techdocs/cli
 
       - name: Install mkdocs and mkdocs plugins
-        run: python -m pip install mkdocs-techdocs-core==0.*
+        run: python -m pip install mkdocs-techdocs-core==1.*
 
       - name: Generate docs
         run: techdocs-cli generate --no-docker --verbose