Fix warning & update to new output format

.github/workflows/update_tags.yml

@@ -9,7 +9,7 @@ jobs:
   update-semver:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: haya14busa/action-update-semver@v1
         with:
           major_version_tag_only: true  # (optional, default is "false")

action.yml

@@ -25,10 +25,10 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     # Setup Python
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
       with:
         python-version: "3.10"
 

src/compare_version.py

@@ -125,7 +125,9 @@ def get_pypi_versions(pkg_name: str) -> list[str]:
 def set_output(name: str, value: _Value) -> None:
     """Set github action output."""
     value = _normalize_value(value)
-    print(f"::set-output name={name}::{value}")
+
+    with open(os.environ['GITHUB_OUTPUT'], 'a') as f:
+        print(f'{name}={value}', file=f)
 
 
 def _normalize_value(value: _Value) -> str: