pipx inject poetry-dynamic-versioning also on linux

Author: dalito

.github/workflows/test-upstream.yaml

@@ -58,7 +58,7 @@ jobs:
       # We install poetry-dynamic-versioning into pipx because the automatic installallation
       # by poetry 2.x triggers a Windows issue https://github.com/pypa/installer/issues/260
       - name: Install poetry-dynamic-versioning
-        if: runner.os == 'Windows'
+        # if: runner.os == 'Windows'
         run:
           pipx inject poetry poetry-dynamic-versioning