Properly escape log URL and print it at the end for functions:log command

[taeold]

At the end of functions:log, we print the URL where developers can view the full log as needed.

$  firebase functions:log
2025-02-12T18:37:01.212523Z I hellorawbody: {"structuredData":true,"message":"Hello logs!"}
2025-02-12T18:37:01.316128Z I hellorawbody:
2025-02-12T18:37:01.322816Z ? hellorawbody: RAW BODY IS undefined

2025-02-12T18:37:01.323878Z I hellorawbody: {"structuredData":true,"message":"Hello logs!"}
2025-02-12T18:37:01.427900Z W hellorawbody:
2025-02-12T18:37:01.494996Z W hellorawbody:

See full logs at: https://console.developers.google.com/logs/viewer?advancedFilter=resource.type=%22cloud_function%22+OR+%28resource.type%3D%22cloud_run_revision%22+AND+labels.%22goog-managed-by%22%3D%22cloudfunctions%22%29&project=<REDACTED>