Update dependency com.diffplug.spotless:spotless-plugin-gradle to v6.23.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.diffplug.spotless:spotless-plugin-gradle	6.22.0 -> 6.23.0

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Configuration

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[oldergod]

e: file:///home/runner/work/wire/wire/build-support/src/main/kotlin/com/squareup/wire/buildsupport/WireBuildPlugin.kt:151:44 Cannot access 'BaseKotlinExtension': it is package-private in 'com.diffplug.gradle.spotless'

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠ Warning: custom changes will be lost.

[oldergod]

Blocked by diffplug/spotless#1912