fix python-xmp-toolkit condition

.github/workflows/ci.yml

@@ -117,10 +117,10 @@ jobs:
         wget https://github.com/python-xmp-toolkit/python-xmp-toolkit/archive/refs/heads/master.tar.gz
         cd deps
         mkdir -p python-xmp-toolkit/
-        tar -xvzf python-xmp-toolkit-* --strip-components=1 -C python-xmp-toolkit
+        tar -xvzf master.tar.gz --strip-components=1 -C python-xmp-toolkit
         cd python-xmp-toolkit-*
         pip install .
-      if: ${{ matrix.python != '3.12' && matrix.python != '3.13-dev' }}
+      if: ${{ matrix.python == '3.12' || matrix.python == '3.13-dev' }}
     # `libboost-python-dev` cannot be used, as this only works with the Python version shipped by the system.
     # This means that for Ubuntu 20.04 each Python version different from 3.8 fails with something like
     # `cannot find -lboost_python39` when installing Boost.Python through the system package manager.