chore(deps): update renovate/renovate docker tag to v38.40.0

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate (source)	image	minor	38.39.6 -> 38.40.0

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Release Notes

renovatebot/renovate (renovate/renovate)

v38.40.0

Compare Source

Features

• preset: Add group:ruby-on-railsMonorepo (#​30819) (ff52da8)

Bug Fixes

• Align cache decorator parameters (#​30862) (49c0e6a)

Documentation

• contributing: improve instructions for batch applying review suggestions (#​30829) (14cb0ec)
• create sidebar entries for Mend-hosted app secrets pages (#​30718) (c1fe792)
• update app secrets docs (#​30859) (ec483b7)
• update references to renovate/renovate (#​30870) (4905220)

Miscellaneous Chores

• deps: lock file maintenance (#​30871) (bf19c90)
• deps: update containerbase/internal-tools action to v3.4.6 (#​30869) (f87b0cf)

Code Refactoring

• aws: Make datasource names consistent (#​30865) (3c1c67a)
• instrumentation: Remove unused span parameter (#​30861) (29b4db9)
• jenkins: Rename cache namespace (#​30868) (4354d2b)
• Rename CdnJsDatasource to CdnjsDatasource (#​30866) (56e5ea0)
• Use separate cache namespace for GithubReleaseAttachmentsDatasource class (#​30867) (2fb7be4)

Tests

• markdown: Use codeBlock for sanitizeMarkdown test (#​30830) (0b8c14d)

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