Install updated Firefox on policy failure (#24182)

Author: lukeheath

it-and-security/teams/workstations-canary.yml

@@ -144,7 +144,8 @@ policies:
     description: The host may have an outdated or non-existent version of Firefox, potentially risking security vulnerabilities or compatibility issues.
     resolution: During maintenance, the Firefox app could be updated to the correct version or installed if it's missing.
     platform: darwin
-    calendar_events_enabled: false
+    install_software:
+      package_path: "../lib/software/mac-mozilla-firefox.yml"
   - name: macOS - Upgrade Slack
     query: SELECT 1 FROM apps WHERE name = 'Slack.app' AND version_compare(bundle_short_version, '4.40.126') >= 0;
     critical: false