Update TiDB Dashboard to v2021.07.17.1 [release-5.1]

[tidb-dashboard-bot]

What problem does this PR solve?

Update TiDB Dashboard to v2021.07.17.1.

Upstream commit: pingcap/tidb-dashboard@2226872 .

Release note

TiDB Dashboard: Add OIDC based SSO support

[codecov]

Codecov Report

Merging #3883 (904d87a) into release-5.1 (8bc9675) will increase coverage by 0.04%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           release-5.1    #3883      +/-   ##
===============================================
+ Coverage        74.95%   75.00%   +0.04%     
===============================================
  Files              245      245              
  Lines            24540    24540              
===============================================
+ Hits             18394    18406      +12     
+ Misses            4520     4513       -7     
+ Partials          1626     1621       -5     

Flag	Coverage Δ
unittests	75.00% <ø> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/statistics/hot_cache_task.go	75.00% <0.00%> (-4.17%)	⬇️
server/tso/allocator_manager.go	77.29% <0.00%> (-3.34%)	⬇️
server/schedulers/random_merge.go	60.00% <0.00%> (-3.34%)	⬇️
server/schedulers/utils.go	93.75% <0.00%> (-1.05%)	⬇️
server/member/member.go	65.59% <0.00%> (-0.54%)	⬇️
server/grpc_service.go	48.57% <0.00%> (ø)
server/server.go	72.38% <0.00%> (+1.21%)	⬆️
server/tso/tso.go	73.03% <0.00%> (+2.24%)	⬆️
server/schedule/operator/step.go	69.10% <0.00%> (+2.32%)	⬆️
server/tso/local_allocator.go	83.33% <0.00%> (+2.77%)	⬆️
... and 2 more

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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• HunDunDM

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[HunDunDM]

/merge

[ti-chi-bot]

@HunDunDM: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 904d87a