fix(deps)!: Update module cloud.google.com/go/pubsub to v2

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
cloud.google.com/go/pubsub	v1.44.0 → v2.4.0

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[forking-renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
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The artifact failure details are included below:

File name: modules/htc-infra/agent/src/go.sum

Command failed: go get -t ./...
go: downloading cloud.google.com/go/compute/metadata v0.9.0
go: downloading cloud.google.com/go v0.123.0
go: downloading cloud.google.com/go/pubsub v1.50.1
go: downloading cloud.google.com/go/storage v1.56.0
go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0
go: downloading go.opentelemetry.io/contrib/detectors/gcp v1.38.0
go: downloading go.opentelemetry.io/otel v1.39.0
go: downloading go.opentelemetry.io/otel/bridge/opencensus v1.31.0
go: downloading go.opentelemetry.io/otel/sdk/metric v1.39.0
go: downloading go.opentelemetry.io/otel/sdk v1.39.0
go: downloading golang.org/x/oauth2 v0.34.0
go: downloading google.golang.org/api v0.259.0
go: downloading google.golang.org/grpc v1.78.0
go: downloading google.golang.org/protobuf v1.36.11
go: downloading golang.org/x/sys v0.39.0
go: downloading cloud.google.com/go/iam v1.5.3
go: downloading github.com/googleapis/gax-go/v2 v2.16.0
go: downloading go.opentelemetry.io/otel/trace v1.39.0
go: downloading golang.org/x/sync v0.19.0
go: downloading cloud.google.com/go/auth v0.18.0
go: downloading google.golang.org/genproto v0.0.0-20251202230838-ff82c1b0f217
go: downloading cloud.google.com/go/monitoring v1.24.3
go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0
go: downloading google.golang.org/genproto/googleapis/api v0.0.0-20251222181119-0a764e51fe1b
go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.30.0
go: downloading go.opentelemetry.io/otel/metric v1.39.0
go: downloading golang.org/x/net v0.48.0
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b
go: downloading cloud.google.com/go/pubsub/v2 v2.4.0
go: downloading cloud.google.com/go/auth/oauth2adapt v0.2.8
go: downloading go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0
go: downloading github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da
go: downloading github.com/google/s2a-go v0.1.9
go: downloading go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.61.0
go: downloading golang.org/x/time v0.14.0
go: downloading github.com/googleapis/enterprise-certificate-proxy v0.3.7
go: downloading github.com/envoyproxy/go-control-plane v0.13.5-0.20251024222203-75eaa193e329
go: downloading github.com/envoyproxy/go-control-plane/envoy v1.35.0
go: downloading golang.org/x/text v0.32.0
go: downloading github.com/cncf/xds/go v0.0.0-20251022180443-0feb69152e9f
go: downloading github.com/envoyproxy/protoc-gen-validate v1.2.1
go: downloading github.com/spiffe/go-spiffe/v2 v2.6.0
go: downloading github.com/go-jose/go-jose/v4 v4.1.3
go: downloading cel.dev/expr v0.24.0
go: downloading golang.org/x/crypto v0.46.0
go: downloading google.golang.org/grpc/stats/opentelemetry v0.0.0-20241028142157-ada6787961b3
go: downloading google.golang.org/grpc v1.83.0
go: github.com/GoogleCloudPlatform/risk-and-research-blueprints/examples/risk/agent/gcp imports
	cloud.google.com/go/storage imports
	google.golang.org/grpc/stats/opentelemetry: ambiguous import: found package google.golang.org/grpc/stats/opentelemetry in multiple modules:
	google.golang.org/grpc v1.78.0 (/runner/cache/others/go/pkg/mod/google.golang.org/grpc@v1.78.0/stats/opentelemetry)
	google.golang.org/grpc/stats/opentelemetry v0.0.0-20241028142157-ada6787961b3 (/runner/cache/others/go/pkg/mod/google.golang.org/grpc/stats/opentelemetry@v0.0.0-20241028142157-ada6787961b3)
go: module cloud.google.com/go/pubsub is deprecated: use cloud.google.com/go/pubsub/v2 instead.

[dpebot]

/gcbrun

[gemini-code-assist]

Code Review

This pull request updates the cloud.google.com/go/pubsub dependency to v2 in go.mod. The review feedback correctly points out that this major version update requires updating the corresponding import paths in the Go source files (such as serve/pubsub.go and test/pubsub.go) to avoid compilation errors.

[gemini-code-assist]

Updating the cloud.google.com/go/pubsub dependency to v2 in go.mod requires updating the import paths in your Go source files. Currently, serve/pubsub.go (line 27) and test/pubsub.go (line 21) still import "cloud.google.com/go/pubsub". Please update those imports to "cloud.google.com/go/pubsub/v2" to ensure the project compiles successfully and uses the correct version of the library.

[dpebot]

/gcbrun

[amandakarina]

/gcbrun

[dpebot]

/gcbrun