Add support for Swatinem/rust-cache@v2

parse-rust-cache-parameters.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import json
+import os
+import sys
+
+parameters = json.loads(os.environ["RUST_CACHE_PARAMETERS"])
+if "key" not in parameters:
+    parameters["key"] = sys.argv[1]
+else:
+    parameters["key"] = "{}-{}".format(parameters["key"], sys.argv[1])
+
+file = os.environ["GITHUB_OUTPUT"]
+with open(file, "w") as f:
+    for key, value in parameters.items():
+        f.write(f"{key}={value}")