[8.11](backport #3587) Remove govulincheck from github actions

[mergify]

This is an automatic backport of pull request #3587 done by Mergify.
Cherry-pick of e20c34d has failed:

On branch mergify/bp/8.11/pr-3587
Your branch is up to date with 'origin/8.11'.

You are currently cherry-picking commit e20c34d66d.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .ci/bump-golang.yml

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by them: .github/workflows/govulncheck.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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• Start Time: 2023-10-12T22:37:03.520+0000

• Duration: 27 min 8 sec

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Test	Results
Failed	0
Passed	6465
Skipped	59
Total	6524

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	98.78% (81/82)	👍
Files	66.667% (198/297)	👍
Classes	65.461% (362/553)	👍
Methods	52.909% (1146/2166)	👍
Lines	38.472% (13067/33965)	👍 0.015
Conditionals	100.0% (0/0)	💚

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/test

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