[Backport 2.x] Bump com.google.apis:google-api-services-compute from v1-rev20241015-2.0.0 to v1-rev20241021-2.0.0 in /plugins/discovery-gce (#16548)

[Backport 2.x] Bump com.google.apis:google-api-services-compute from v1-rev20241015-2.0.0 to v1-rev20241021-2.0.0 in /plugins/discovery-gce (#16548) #2329