Update GitHub Actions bot author information

Author: shdwmtr

.github/workflows/squash-history.yml

@@ -25,7 +25,7 @@ jobs:
           git branch -M temp main
           git push --force origin main
         env:
-          GIT_AUTHOR_NAME: github-actions[bot]
-          GIT_AUTHOR_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
-          GIT_COMMITTER_NAME: github-actions[bot]
-          GIT_COMMITTER_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
+          GIT_AUTHOR_NAME: SteamClientHomebrew[bot]
+          GIT_AUTHOR_EMAIL: millennium[bot]@noreply.steambrew.app
+          GIT_COMMITTER_NAME: SteamClientHomebrew[bot]
+          GIT_COMMITTER_EMAIL: millennium[bot]@noreply.steambrew.app