fix(deps): update all golang.org/x packages

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/mod	v0.17.0 -> v0.18.0
golang.org/x/oauth2	v0.20.0 -> v0.21.0
golang.org/x/sys	v0.20.0 -> v0.21.0
golang.org/x/text	v0.15.0 -> v0.16.0

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Warning

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

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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/oteltestbedcol/go.sum

Command failed: go get -d -t ./...
go: downloading go1.21.10 (linux/amd64)
go: download go1.21.10: golang.org/[email protected]: verifying module: checksum database disabled by GOSUMDB=off

File name: cmd/otelcontribcol/go.sum

Command failed: go get -d -t ./...
go: downloading go1.21.10 (linux/amd64)
go: download go1.21.10: golang.org/[email protected]: verifying module: checksum database disabled by GOSUMDB=off