ci: fix documentation release (#25)

Author: danfimov

.github/workflows/release_docs.yml

@@ -1,12 +1,5 @@
 name: Release docs
 on:
-  workflow_dispatch:
-    inputs:
-      pr:
-        description: Pull request number to release docs for
-        required: true
-        type: string
-
   pull_request:
     types: [closed]
     branches: [ main ]
@@ -19,19 +12,9 @@ jobs:
     if: ${{ github.event_name == 'workflow_dispatch' || (github.event_name == 'pull_request' && github.event.pull_request.merged == true) }}
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout merge commit (auto on merge to main)
-        if: ${{ github.event_name == 'pull_request' }}
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          ref: ${{ github.event.pull_request.merge_commit_sha }}
-          persist-credentials: false
-
-      - name: Checkout PR merge ref (manual on PR)
-        if: ${{ github.event_name == 'workflow_dispatch' }}
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
-          ref: refs/pull/${{ inputs.pr }}/merge
-          persist-credentials: false
+          persist-credentials: true
 
       - name: Configure Git Credentials
         run: |
@@ -43,5 +26,7 @@ jobs:
           enable-cache: true
           python-version: "3.12"
           version: "latest"
-      - run: uv sync --only-dev
-      - run: uv run mkdocs gh-deploy --force
+      - name: Install Dependencies
+        run: uv sync --only-group docs
+      - name: Deploy Docs
+        run: uv run mkdocs gh-deploy --force