CLOUD-727: Bump golang.org/x/sync from 0.20.0 to 0.21.0

[dependabot]

Bumps golang.org/x/sync from 0.20.0 to 0.21.0.

Commits

• 5071ed6 all: fix some comments to improve readability
• See full diff in compare view

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[JNKPercona]

Test Name	Result	Time
auto-tuning-8-0	passed	00:28:02
allocator-8-0	passed	00:18:14
allocator-8-4	passed	00:18:12
backup-storage-tls-8-0	passed	00:29:22
cross-site-8-0	passed	00:45:12
cross-site-proxysql-8-0	passed	00:53:06
cross-site-proxysql-8-4	passed	00:53:07
custom-users-8-0	passed	00:23:21
demand-backup-cloud-aws-8-0	passed	00:37:33
demand-backup-cloud-aws-8-4	passed	00:38:41
demand-backup-cloud-azure-8-0	passed	00:34:39
demand-backup-cloud-gcs-8-0	passed	00:23:31
demand-backup-cloud-pxb-aws-8-0	passed	00:38:31
demand-backup-cloud-pxb-azure-8-0	passed	00:38:53
demand-backup-cloud-pxb-gcs-8-0	passed	00:26:09
demand-backup-encrypted-with-tls-5-7	passed	00:39:56
demand-backup-encrypted-with-tls-8-0	passed	00:43:34
demand-backup-encrypted-with-tls-8-4	passed	00:40:39
demand-backup-encrypted-with-tls-s3-5-7	passed	00:41:41
demand-backup-encrypted-with-tls-s3-8-0	passed	00:40:31
demand-backup-encrypted-with-tls-s3-8-4	passed	00:36:25
demand-backup-encrypted-with-tls-pxb-5-7	passed	00:26:05
demand-backup-encrypted-with-tls-pxb-8-0	passed	00:25:37
demand-backup-encrypted-with-tls-pxb-8-4	passed	00:28:45
demand-backup-8-0	passed	00:35:54
demand-backup-minio-8-0	passed	00:29:04
demand-backup-flow-control-8-0	passed	00:16:56
demand-backup-flow-control-8-4	passed	00:17:49
demand-backup-parallel-8-0	passed	00:14:22
demand-backup-parallel-8-4	passed	00:14:42
demand-backup-without-passwords-8-0	passed	00:20:39
demand-backup-without-passwords-8-4	passed	00:22:14
extra-pvc-8-0	passed	00:33:19
haproxy-5-7	passed	00:26:34
haproxy-8-0	passed	00:23:32
haproxy-8-4	passed	00:20:25
init-deploy-5-7	passed	00:23:50
init-deploy-8-0	passed	00:26:37
limits-8-0	passed	00:16:07
monitoring-2-0-8-0	failure	00:29:45
monitoring-pmm3-8-0	passed	00:24:20
monitoring-pmm3-8-4	passed	00:24:14
one-pod-5-7	passed	00:20:09
one-pod-8-0	passed	00:19:07
pitr-8-0	passed	01:15:13
pitr-8-4	failure	00:52:11
pitr-pxb-8-0	passed	01:20:33
pitr-pxb-8-4	passed	01:19:46
pitr-gap-errors-8-0	passed	01:05:16
pitr-gap-errors-8-4	passed	01:07:26
proxy-protocol-8-0	passed	00:14:55
proxy-switch-8-0	passed	00:24:49
proxysql-sidecar-res-limits-8-0	passed	00:15:24
proxysql-scheduler-8-0	passed	00:37:46
pvc-resize-5-7	passed	00:28:07
pvc-resize-8-0	passed	00:25:55
pvc-auto-resize-5-7	passed	00:24:16
pvc-auto-resize-8-0	passed	00:20:40
recreate-8-0	passed	00:27:36
restore-to-encrypted-cluster-8-0	passed	00:30:59
restore-to-encrypted-cluster-8-4	passed	00:29:36
restore-to-encrypted-cluster-s3-8-0	passed	00:26:07
restore-to-encrypted-cluster-s3-8-4	passed	00:31:19
restore-to-encrypted-cluster-pxb-8-0	passed	00:23:46
restore-to-encrypted-cluster-pxb-8-4	passed	00:26:26
scaling-proxysql-8-0	passed	00:13:25
scaling-8-0	passed	00:16:04
scheduled-backup-5-7	passed	00:37:41
scheduled-backup-8-0	passed	00:37:36
scheduled-backup-8-4	passed	00:40:54
scheduled-backup-aws-8-0	passed	00:29:54
scheduled-backup-aws-8-4	passed	00:29:31
scheduled-backup-azure-8-0	passed	00:27:28
scheduled-backup-azure-8-4	passed	00:27:56
scheduled-backup-gcs-8-0	passed	00:25:39
scheduled-backup-gcs-8-4	passed	00:30:00
security-context-8-0	passed	00:37:49
smart-update1-8-0	passed	00:41:58
smart-update1-8-4	passed	00:42:23
smart-update2-8-0	failure	00:15:16
smart-update2-8-4	passed	00:52:49
smart-update3-8-0	passed	00:20:57
sst-retry-limit-8-0	passed	00:18:12
sst-retry-limit-8-4	failure	00:35:39
storage-8-0	passed	00:18:06
tls-issue-cert-manager-ref-8-0	passed	00:11:26
tls-issue-cert-manager-8-0	passed	00:16:58
tls-issue-self-8-0	passed	00:29:21
unsafe-flag-backup-if-unhealthy-8-0	passed	00:22:31
unsafe-flag-proxy-size-8-0	passed	00:22:55
unsafe-flag-pxc-size-8-0	passed	00:26:58
unsafe-flag-tls-8-0	passed	00:20:06
upgrade-consistency-8-0	passed	00:15:31
upgrade-consistency-8-4	passed	00:15:14
upgrade-haproxy-5-7	passed	00:31:32
upgrade-haproxy-8-0	passed	00:30:45
upgrade-proxysql-5-7	passed	00:20:16
upgrade-proxysql-8-0	passed	00:20:47
users-5-7	failure	00:11:51
users-8-0	passed	00:33:06
users-scheduler-8-4	passed	00:33:02
validation-hook-8-0	passed	00:03:22

Summary	Value
Tests Run	102/102
Job Duration	04:14:24
Total Test Time	51:03:17

commit: bb59438
image: perconalab/percona-xtradb-cluster-operator:PR-2521-bb594380