Warning related to set-output command deprecation

When we run the GH Action "Azure/appservice-settings@v1" we get a warning message (mentioned below) stating that 'set-output' command is deprecated.

We have to upgrade to using Environment files.

**Warning message -**

Warning: The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

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