fix: solve the problem of getting nil context in the goroutine caused by the context being recycled

[littlejiancc]

… by the context being recycled

What type of this PR

/kind bug

What this PR does / why we need it:

When use context of echo in the goroutine, if another request coming when the goroutine is not finish, the context will be recycled, so the context is nil.

Which issue(s) this PR fixes:

• Fixes #your-issue_number
• [Erda Cloud Issue Link](paste your link here)

Specified Reviewers:

/assign @sfwn

ChangeLog

Language	Changelog
🇺🇸 English
🇨🇳 中文

Need cherry-pick to release versions?

Add comment like /cherry-pick release/1.0 when this PR is merged.

For details on the cherry pick process, see the cherry pick requests section under CONTRIBUTING.md.

[codecov]

Codecov Report

Merging #2348 (3d8bc8e) into master (9e4f431) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2348      +/-   ##
==========================================
- Coverage   15.92%   15.90%   -0.02%     
==========================================
  Files        1193     1195       +2     
  Lines      118011   118228     +217     
==========================================
+ Hits        18794    18810      +16     
- Misses      97242    97500     +258     
+ Partials     1975     1918      -57     

Impacted Files	Coverage Δ
...omponents/cmp-dashboard-nodes/nodeFilter/render.go	18.94% <0.00%> (-15.67%)	⬇️
modules/cmp/metrics/metrics.go	24.15% <0.00%> (-7.82%)	⬇️
...ules/scheduler/executor/plugins/k8s/statefulset.go	51.55% <0.00%> (-5.49%)	⬇️
modules/cmp/cache/cache.go	64.56% <0.00%> (-2.56%)	⬇️
.../components/cmp-dashboard-nodes/cpuTable/render.go	12.50% <0.00%> (-2.26%)	⬇️
modules/cmp/steve/middleware/audit.go	32.48% <0.00%> (-2.11%)	⬇️
modules/extensions/loghub/index/query/provider.go	9.43% <0.00%> (-1.93%)	⬇️
modules/cmp/metrics/metricsReq.go	62.22% <0.00%> (-1.93%)	⬇️
...mponents/cmp-dashboard-nodes/common/table/table.go	13.83% <0.00%> (-1.93%)	⬇️
.../cmp-dashboard-workload-detail/podsTable/render.go	22.77% <0.00%> (-1.85%)	⬇️
... and 20 more

[hoozecn]

/approve

[hoozecn]

/cherry-pick release/1.3

[erda-bot]

Automated cherry pick can ONLY be triggered when this PR is MERGED!

[hoozecn]

/cherry-pick release/1.3