fix: mage installation with go1.18 (backport #33083)

[mergify]

This is an automatic backport of pull request #33083 done by Mergify.
Cherry-pick of 5385fd2 has failed:

On branch mergify/bp/8.4/pr-33083
Your branch is up to date with 'origin/8.4'.

You are currently cherry-picking commit 5385fd2387.
  (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:   Makefile
	modified:   dev-tools/make/mage-install.mk

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   Jenkinsfile

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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[elasticmachine]

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• Start Time: 2022-09-21T15:25:41.170+0000

• Duration: 94 min 42 sec

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Test	Results
Failed	0
Passed	22711
Skipped	1947
Total	24658

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