Introduce validating version field against git tag

Author: Ickerday

.github/workflows/cd.yml

@@ -25,12 +25,20 @@ jobs:
           python-version: 3.13
           deps-group: release
       - name: Set pre-release version
-        id: set-version
         if: startsWith(github.ref, 'refs/tags/') != true
         run: |
           VERSION_BASE="$(uv version --short)"
           RUN_NUMBER="${{ github.run_number }}"
-          uv version --frozen "${VERSION_BASE}.dev${RUN_NUMBER}"
+          uv version "${VERSION_BASE}.dev${RUN_NUMBER}"
+      - name: Set release version
+        if: startsWith(github.ref, 'refs/tags/') == true
+        run: |
+          VERSION_TAG="${{ github.event.release.tag_name }}"
+          [[ $VERSION_TAG != $(uv version --short) ]] && {
+            printf "Git tag should be identical to version field in pyproject.toml"
+            exit 1
+          }
+          uv version "$(VERSION_TAG)"
       - name: Get current version
         id: get-version
         run: echo "version=$(uv version --short)" >> "$GITHUB_OUTPUT"