Update module golang.org/x/sync to v0.3.0

This MR contains the following updates:

Package	Type	Update	Change
golang.org/x/sync	require	minor	v0.1.0 -> v0.3.0

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This MR has been generated by Renovate Bot.

mentioned in issue #2

added 4 commits

• 46cec5f4...609b9e05 - 3 commits from branch master
• e3e5eb5a - Update module golang.org/x/sync to v0.2.0

Compare with previous version

changed title from Update module golang.org/x/sync to v0.2.0 to Update module golang.org/x/sync to v0.3.0

changed the description

added 1 commit

• 2bb03883 - Update module golang.org/x/sync to v0.3.0

Compare with previous version

merged

mentioned in commit d5413706