fix(deps): update module golang.org/x/sync to v0.19.0

[kharf]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/sync	require	minor	v0.18.0 -> v0.19.0

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This PR has been generated by Renovate Bot.

[kharf]

⚠️ 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
• 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: dagger/go.sum

Command failed: go get -d -t ./...
go: -d flag is deprecated. -d=true is a no-op
go: dagger/navecd imports
	dagger/navecd/internal/dagger: package dagger/navecd/internal/dagger is not in std (/usr/local/go/src/dagger/navecd/internal/dagger)