Update macOs version on GithubActions to 13

[kackogut]

Description

macos-latests is still using XCode version = 14.1 and after WebView Update we need to use at least 14.3: pichillilorenzo/flutter_inappwebview#1697 (comment)

Checklist:

Creator

• The target branch is main
• I have updated the unreleased section of the change log
• I have reviewed the 'files changed' tab on github to ensure all changes are as expected
• I have added someone to review the pr

Reviewer

• I have verified the above are all completed
• I have run the code locally to ensure it fufills the requirements of the issue
• I have reviewed the 'files changed' and commented on any sections which I think are not needed, incorrect or could be improved

After pull

• If appropriate I have closed the issue/ moved the trello card