Also checkout tags when building sdist

Author: matt-graham

.github/workflows/build.yml

@@ -68,6 +68,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+          fetch-depth: 0
+          fetch-tags: true
       - name: Build sdist
         run: pipx run build --sdist
       - uses: actions/upload-artifact@v4