fix yml syntax

Author: slayoo

.github/workflows/tests+artifacts+pypi.yml

@@ -77,14 +77,13 @@ jobs:
           path: dist
 
       - if: matrix.platform == 'ubuntu-latest'
-        run: python -c "import sys; vi=sys.version_info; print(f'PV={vi.major}{vi.minor}')" >> $GITHUB_ENV
-        run: python -c "import sys; vi=sys.version_info; abitag='m' if vi.minor<8 else ''; print(f'PVA={vi.major}{vi.minor}{abitag}')" >> $GITHUB_ENV
+        run: python -c "import sys; vi=sys.version_info; abitag='m' if vi.minor<8 else ''; print(f'PV=cp{vi.major}{vi.minor}-cp{vi.major}{vi.minor}{abitag}')" >> $GITHUB_ENV
 
       - if: matrix.platform == 'ubuntu-latest'
         uses: RalfG/[email protected]
         with:
             build-requirements: 'setuptools_scm'
-            python-versions: cp${{ env.PV }}-cp${{ env.PVA }}
+            python-versions: ${{ env.PV }}
             pre-build-command: 'git config --global --add safe.directory "*"'
 
       - if: matrix.platform == 'ubuntu-latest'