fix(deps): update module google.golang.org/grpc to v1.69.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.69.0 -> v1.69.2

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.69.2: Release 1.69.2

Compare Source

Bug Fixes

• stats/experimental: add type aliases for symbols (Metrics/etc) that were moved to the stats package (#​7929).
• client: set user-agent string to the correct version.

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[renovate]

⚠️ Artifact update problem

Renovate failed to update artifacts 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
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: cmd/telemetrygen/go.sum

Command failed: install-tool golang 1.22.0

File name: exporter/opencensusexporter/go.sum

Command failed: go get -d -t ./...
go: downloading go1.22.8 (linux/amd64)
go: download go1.22.8: golang.org/toolchain@v0.0.1-go1.22.8.linux-amd64: verifying module: checksum database disabled by GOSUMDB=off

File name: receiver/opencensusreceiver/go.sum

Command failed: go get -d -t ./...
go: downloading go1.22.8 (linux/amd64)
go: download go1.22.8: golang.org/toolchain@v0.0.1-go1.22.8.linux-amd64: verifying module: checksum database disabled by GOSUMDB=off

File name: testbed/go.sum

Command failed: go get -d -t ./...
go: downloading go1.22.8 (linux/amd64)
go: download go1.22.8: golang.org/toolchain@v0.0.1-go1.22.8.linux-amd64: verifying module: checksum database disabled by GOSUMDB=off