fix: Try using pathlib.Path where possible

Author: LukeSavefrogs

action.yml

@@ -38,7 +38,14 @@ runs:
         import sys, os
         import json
 
-        with open("${{ github.action_path }}bin/resources.json", "r") as f:
+        json_file = "${{ github.action_path }}bin/resources.json"
+        try:
+          from pathlib import Path
+          json_file = str(Path(json_file).resolve())
+        except ImportError:
+          pass
+
+        with open(json_file, "r") as f:
           json_content = json.load(f)
         
         matching_versions = list(filter(lambda el: el["version"] == "${{ inputs.jython-version }}".strip(), json_content))