Add golden output of gkehub resource with IAM references

[ziyue-101]

Change description

Add golden output of gkehub resource with IAM references

Tests you have done

• Run make ready-pr to ensure this PR is ready for review.
• Perform necessary E2E testing for changed resources.

[ziyue-101]

/assign @justinsb
/cc @haiyanmeng
Hey, Justin, this PR is the followup for #2013 as requested.

When we turn on the feature flag to use the new controller, the test should cover the code logic in the above PR.

[yuwenma]

/hold for further discussing the changes around startTime

[ziyue-101]

/hold for further discussing the changes around startTime

/unhold, Hey @yuwenma , this PR doesn't change startTime anymore

[ziyue-101]

The test failure seems to be unrelated to my change

2024-08-23T19:52:43.7491432Z {"severity":"info","timestamp":"2024-08-23T19:52:43.748Z","msg":"resource is ready","kind":"DataflowFlexTemplateJob","name":"dataflowflextemplatejob-2qqp4lrrnpetkdpeqwba"}
2024-08-23T19:52:43.7521007Z     utils.go:195: unexpected diff in /home/runner/work/k8s-config-connector/k8s-config-connector/pkg/test/resourcefixture/testdata/basic/dataflow/v1beta1/dataflowflextemplatejob/batchdataflowflextemplatejob/_generated_object_batchdataflowflextemplatejob.golden.yaml:   map[string]any{
2024-08-23T19:52:43.7524435Z           	"apiVersion": string("dataflow.cnrm.cloud.google.com/v1beta1"),
2024-08-23T19:52:43.7526103Z           	"kind":       string("DataflowFlexTemplateJob"),
2024-08-23T19:52:43.7533990Z           	"metadata":   map[string]any{"annotations": map[string]any{"cnrm.cloud.google.com/management-conflict-prevention-policy": string("none"), "cnrm.cloud.google.com/mutable-but-unreadable-fields": string(`{"spec":{"containerSpecGcsPath":"gs://dataflow-templates/2022-10`...), "cnrm.cloud.google.com/on-delete": string("cancel"), "cnrm.cloud.google.com/project-id": string("${projectId}"), ...}, "finalizers": []any{string("cnrm.cloud.google.com/finalizer"), string("cnrm.cloud.google.com/deletion-defender")}, "generation": float64(2), "labels": map[string]any{"cnrm-test": string("true")}, ...},
2024-08-23T19:52:43.7538880Z           	"spec": map[string]any{
2024-08-23T19:52:43.7539656Z           		"additionalExperiments": []any{
2024-08-23T19:52:43.7540424Z           			strings.Join({
2024-08-23T19:52:43.7541383Z         - 				"disable_runner_v2_reason=java_job_google_template",
2024-08-23T19:52:43.7542413Z         + 				"enable_always_on_exception_sampling",
2024-08-23T19:52:43.7543139Z           			}, ""),
2024-08-23T19:52:43.7543656Z           			strings.Join({
2024-08-23T19:52:43.7544456Z         - 				"enable_always_on_exception_sampling",
2024-08-23T19:52:43.7545528Z         + 				"disable_runner_v2_reason=java_job_google_template",
2024-08-23T19:52:43.7546557Z           			}, ""),
2024-08-23T19:52:43.7547043Z           		},
2024-08-23T19:52:43.7548574Z           		"containerSpecGcsPath": string("gs://dataflow-templates/2022-10-03-00_RC00/flex/File_Format_Conv"...),
2024-08-23T19:52:43.7552559Z           		"parameters":           map[string]any{"inputFileFormat": string("csv"), "inputFileSpec": string("gs://config-connector-samples/dataflowflextemplate/numbertest.csv"), "outputBucket": string("gs://storagebucket-${uniqueId}"), "outputFileFormat": string("avro"), ...},
2024-08-23T19:52:43.7555007Z           		... // 4 identical entries
2024-08-23T19:52:43.7555660Z           	},
2024-08-23T19:52:43.7559391Z           	"status": map[string]any{"conditions": []any{map[string]any{"lastTransitionTime": string("1970-01-01T00:00:00Z"), "message": string("The resource is up to date"), "reason": string("UpToDate"), "status": string("True"), ...}}, "jobId": string("${jobID}"), "observedGeneration": float64(2), "state": string("JOB_STATE_RUNNING"), ...},
2024-08-23T19:52:43.7561837Z           }

[justinsb]

/approve
/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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[ziyue-101]

/hold cancel