chore(gcp): drop google sdk dependency

- depend on golang.org/x/oauth2 only
- drop image size from 17MB to 11.5MB

go.mod

@@ -15,43 +15,25 @@ require (
 	github.com/qdm12/gotree v0.2.0
 	github.com/qdm12/log v0.1.0
 	github.com/stretchr/testify v1.9.0
-	golang.org/x/mod v0.15.0
-	google.golang.org/api v0.176.1
+	golang.org/x/mod v0.17.0
+	golang.org/x/oauth2 v0.21.0
 )
 
 require (
-	cloud.google.com/go/auth v0.3.0 // indirect
-	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
 	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fatih/color v1.15.0 // indirect
-	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
-	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/s2a-go v0.1.7 // indirect
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
-	github.com/googleapis/gax-go/v2 v2.12.3 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 // indirect
-	go.opentelemetry.io/otel v1.24.0 // indirect
-	go.opentelemetry.io/otel/metric v1.24.0 // indirect
-	go.opentelemetry.io/otel/trace v1.24.0 // indirect
-	golang.org/x/crypto v0.22.0 // indirect
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
-	golang.org/x/net v0.24.0 // indirect
-	golang.org/x/oauth2 v0.19.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.17.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
-	google.golang.org/grpc v1.63.2 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	kernel.org/pub/linux/libs/security/libcap/cap v1.2.69 // indirect
 	kernel.org/pub/linux/libs/security/libcap/psx v1.2.69 // indirect