chore(deps): update renovate/renovate docker tag to v38.7.0

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate (source)	image	minor	38.5.0 -> 38.7.0

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Release Notes

renovatebot/renovate (renovate/renovate)

v38.7.0

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Features

• manager: add bitrise manager (#​30256) (d439f84)

v38.6.1

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Bug Fixes

• package-rules: wrong prefix match glob (#​30394) (4da584a)

Miscellaneous Chores

• drop invalid file (#​30393) (ac9933e)

v38.6.0

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Features

• managers/git-submodules: support updating git-tag versions (#​30104) (ba7a39d)

Code Refactoring

• go: Simplify .git suffix handling for GitLab EE (#​30336) (5f0a235)

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This MR has been generated by Renovate Bot.