set-output is deprecated

https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

.github/workflows/CoverageCollection.yml

@@ -79,6 +79,7 @@ jobs:
         id: getVariables
         shell: python
         run: |
+          from os import environ
           from pathlib import Path
           from tomli   import load as tomli_load
 
@@ -110,8 +111,11 @@ jobs:
               else:
                   print(f"File '{coverageRCFile}' not found.")
 
-          print(f"::set-output name=coverage_report_html_directory::{htmlDirectory}")
-          print(f"::set-output name=coverage_report_xml::{xmlFile}")
+          with open(environ['GITHUB_OUTPUT'], 'a', encoding='utf-8') as gho:
+              gho.write(f"""\
+          coverage_report_html_directory={htmlDirectory}
+          coverage_report_xml={xmlFile}
+          """)
           print(f"DEBUG:\n  html={htmlDirectory}\n  xml={xmlFile}")
 
       - name: Collect coverage