ci: add ability to dry-run release (#802)

.github/workflows/release.yml

@@ -3,6 +3,7 @@ name: Release
 on:
   release:
     types: [published]
+  workflow_dispatch:
 
 jobs:
   set-version:
@@ -13,12 +14,14 @@ jobs:
       - name: Export tag
         id: vars
         run: echo tag=${GITHUB_REF#refs/*/} >> $GITHUB_OUTPUT
+        if: ${{ github.event_name == 'release' }}
 
       - name: Update project version
         run: |
           sed -i "s/^version = \".*\"/version = \"$RELEASE_VERSION\"/" pyproject.toml
         env:
           RELEASE_VERSION: ${{ steps.vars.outputs.tag }}
+        if: ${{ github.event_name == 'release' }}
 
       - name: Upload updated pyproject.toml
         uses: actions/upload-artifact@v4
@@ -155,6 +158,7 @@ jobs:
     name: Publish
     runs-on: ubuntu-22.04
     needs: [linux, windows, macos, sdist]
+    if: ${{ github.event_name == 'release' }}
     steps:
       - uses: actions/download-artifact@v4
 
@@ -169,6 +173,7 @@ jobs:
   check-docs:
     runs-on: ubuntu-24.04
     needs: publish
+    if: ${{ github.event_name == 'release' }}
     steps:
       - name: Check out
         uses: actions/checkout@v4