ci: Remove deprecated set-output syntax (#748)

Co-authored-by: Dylan Anthony <[email protected]>

Author: dbanty

.github/workflows/checks.yml

@@ -23,7 +23,7 @@ jobs:
 
       - name: Get Python Version
         id: get_python_version
-        run: echo "::set-output name=python_version::$(python --version)"
+        run: echo "python_version=$(python --version)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
         uses: actions/cache@v3
@@ -88,7 +88,7 @@ jobs:
           python-version: "3.10"
       - name: Get Python Version
         id: get_python_version
-        run: echo "::set-output name=python_version::$(python --version)"
+        run: echo "python_version=$(python --version)" >> $GITHUB_OUTPUT
       - name: Cache dependencies
         uses: actions/cache@v3
         with: