Update dependency checkstyle to v11.0.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
checkstyle (source)	11.0.0 -> 11.0.1

---

Release Notes

checkstyle/checkstyle (checkstyle)

v11.0.1

Compare Source

Checkstyle 11.0.1 - https://checkstyle.org/releasenotes.html#Release_11.0.1

Bug fixes:

#​3110 - some messages are still hardcoded in english
#​17563 - Google style: No proper way to check if the reason for swallowing the exception is actually appropriate
#​17551 - Missing violations on Unicode and Octal values of \s
#​17501 - Google style: Word TODO of Todo comment must be in all caps

Other Changes:

fix cirrus-ci failure to install jdk21
Preparation for Migration of Checkstyle Codebase to Java 21
Enable assorted Error Prone Support checks
Conversion to Enhance Switch for SuppressionWarningCheck Causing Deeply Nesting Issues
Convert eligible classes to records
dependecies: update caciocavallo to latest
Convert switch statements to enhanced switch expressions
Add anchored links for each property
site log has a lot of warnings 'Anchor name "Description" used more than once'
Resolve CheckerFramework violations
Add filters table validation in xdoc folder
Wiki page on how to make test methods from issue description
improve position of tag `yamllint`
Use TypeName check to validate Examples classes
AnnotationLocation does not enforce annotation placement after Javadoc as documented
IT regression area Folder structure for suppressionxpathfilter

---

Configuration

📅 Schedule: Branch creation - "after 7am and before 11am every weekday" in timezone Europe/London, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.