fix(deps): update dependency org.assertj:assertj-core to v3.27.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.assertj:assertj-core (source)	3.26.3 -> 3.27.1

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: gradle.properties

Command failed: ./gradlew --console=plain --dependency-verification lenient -q properties

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':lib-extra'.
> dev.equo.solstice.p2.P2Client$CouldNotFindException: Attempted to find resource at
  https://download.eclipse.org/tools/cdt/releases/10.7/p2.index
  https://download.eclipse.org/tools/cdt/releases/10.7/content.xml.xz
  https://download.eclipse.org/tools/cdt/releases/10.7/content.jar
  https://download.eclipse.org/tools/cdt/releases/10.7/content.xml
  https://download.eclipse.org/tools/cdt/releases/10.7/compositeContent.xml.xz
  https://download.eclipse.org/tools/cdt/releases/10.7/compositeContent.jar
  https://download.eclipse.org/tools/cdt/releases/10.7/compositeContent.xml

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Get more help at https://help.gradle.org.

BUILD FAILED in 1m 18s