Set actor as committer as author is unsupported

Author: anttiharju

.github/actions/publish-docs/action.yml

@@ -9,9 +9,7 @@ runs:
         pip install mkdocs
     - shell: sh
       env:
-        GIT_COMMITTER_NAME: "github-actions[bot]"
-        GIT_COMMITTER_EMAIL: "github-actions[bot]@users.noreply.github.com"
-        GIT_AUTHOR_NAME: "${{ github.actor }}"
-        GIT_AUTHOR_EMAIL: "${{ github.actor }}@users.noreply.github.com"
+        GIT_COMMITTER_NAME: "${{ github.actor }}"
+        GIT_COMMITTER_EMAIL: "${{ github.actor }}@users.noreply.github.com" 
       run: |
         mkdocs gh-deploy --force --no-history