chore(deps): update dependency google-cloud-os-login to v2.15.1 (#12899)

Author: renovate-bot

compute/oslogin/requirements.txt

@@ -2,5 +2,5 @@ google-api-python-client==2.131.0
 google-auth==2.19.1
 google-auth-httplib2==0.2.0
 google-cloud-compute==1.11.0
-google-cloud-os-login==2.9.1
+google-cloud-os-login==2.15.1
 requests==2.31.0