[renovate] Update renovate/renovate Docker tag to v37.421.7

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate (source)	image	patch	37.421.2 -> 37.421.7

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This MR has been generated by Renovate Bot.

added renovate label

approved this merge request

added 2 commits

• 2103f27b - 1 commit from branch master
• 4c32450c - [renovate] Update renovate/renovate Docker tag to v37.421.7

Compare with previous version

enabled an automatic merge when the pipeline for 4c32450c succeeds

merged

mentioned in commit 7af2fb5d

mentioned in commit 2178bf11