ci: add automated github release step to publish workflow

Author: VedantJadhav701

.github/workflows/publish.yml

@@ -34,3 +34,20 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           print-hash: true
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          generate_release_notes: true
+          body: |
+            ## DevAgent v3.3.0 — High-Integrity Hardening 🛡️
+            
+            This release transforms DevAgent into a robust, research-grade developer infrastructure.
+            
+            ### Key Upgrades:
+            - **Hierarchical Retrieval**: New `get_file_map` tool and windowed `read_file` support for large-file navigation.
+            - **Synthetic Verifier Layer**: Automated linting integrated into the fix/review loop for better diagnostic grounding.
+            - **Empirical Validation**: Established a public benchmark layer documented in `docs/benchmarks.md`.
+            - **Safety First**: Reinforced sandbox isolation and 100% local operation via Ollama.
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}