kubevirt.core collection cross testing (#731)

* Initial

* update python version

* update python version

* checkout local version of collection

* add integration job

* indent

* Set workflow as non blocking

tools/kubevirt_list_targets.py

@@ -0,0 +1,22 @@
+import os
+import sys
+from pathlib import PosixPath
+
+
+def main():
+
+    src = sys.argv[1]
+    path = PosixPath(src) / PosixPath("tests/integration/targets/")
+
+    def _is_disable(path):
+        flags = ("unsupported", "disabled", "unstable", "hidden")
+        aliases_path = path / PosixPath("aliases")
+        return (aliases_path.exists() and any((d.startswith(flags) for d in aliases_path.read_text().split("\n"))))
+
+    targets = [i.stem for i in path.glob("*") if i.is_dir() and not _is_disable(i)]
+    with open(os.environ.get("GITHUB_OUTPUT"), "a", encoding="utf-8") as fw:
+        fw.write(f"kubevirt_targets={targets}\n")
+
+
+if __name__ == "__main__":
+    main()