Merge pull request #5157 from jenkinsci/dependabot/maven/org.jenkins-ci.main-jenkins-test-harness-tools-2.2

Bump jenkins-test-harness-tools from 2.0 to 2.2

Merge pull request #5166 from jenkinsci/dependabot/maven/org.springframework.security-spring-security-bom-5.4.2

Bump spring-security-bom from 5.4.1 to 5.4.2

Bump commons-codec from 1.14 to 1.15

Co-authored-by: NDaniel Beck <daniel-beck@users.noreply.github.com>

Bumps [spring-security-bom](https://github.com/spring-projects/spring-security) from 5.4.1 to 5.4.2.
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Commits](https://github.com/spring-projects/spring-security/compare/5.4.1...5.4.2)
Signed-off-by: Ndependabot[bot] <support@github.com>

Bumps [commons-codec](https://github.com/apache/commons-codec) from 1.14 to 1.15.
- [Release notes](https://github.com/apache/commons-codec/releases)
- [Changelog](https://github.com/apache/commons-codec/blob/master/RELEASE-NOTES.txt)
- [Commits](https://github.com/apache/commons-codec/compare/commons-codec-1.14...rel/commons-codec-1.15)
Signed-off-by: Ndependabot[bot] <support@github.com>

Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NTim Jacomb <21194782+timja@users.noreply.github.com>

Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NTim Jacomb <21194782+timja@users.noreply.github.com>

Bumps jenkins-test-harness-tools from 2.0 to 2.2.
Signed-off-by: Ndependabot[bot] <support@github.com>

Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NTim Jacomb <21194782+timja@users.noreply.github.com>
Co-authored-by: NTim Jacomb <timjacomb1+github@gmail.com>

* added small part with tips for IntelliJ settings

* Update CONTRIBUTING.md
Co-authored-by: NDaniel Beck <1831569+daniel-beck@users.noreply.github.com>

* Apply suggestions from code review
Co-authored-by: NOleg Nenashev <o.v.nenashev@gmail.com>
Co-authored-by: NDaniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: NOleg Nenashev <o.v.nenashev@gmail.com>

Add system property to override inbound TCP agent address

[JENKINS-64423, JENKINS-46618] Resolve all core caused startup Illegal reflective access warnings (#5110)
Co-authored-by: NJesse Glick <jglick@cloudbees.com>

Co-authored-by: NJesse Glick <jglick@cloudbees.com>