Update jenkins.version to v2.422

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jenkins-ci.main:jenkins-war	2.420 -> 2.422
org.jenkins-ci.main:jenkins-core	2.420 -> 2.422

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[timja]

cc @dduportal / @lemeurherve shouldn't this be publishing checks results?

it's failed on infra.ci but no info here as to why that I can see

[dduportal]

Short term: the failure is due to a behavior of the new pipeline library (jenkins-infra/pipeline-library#739) (I don't know if it is a bug, unexpected error or misconfiguration yet):

15:13:31 
 WARNING: No output specified with docker-container driver. Build result will only remain in the build cache. To push result image into registry use --push or to load image into docker use --load
15:13:31 
 ERROR: could not find src/main/resources/ath-container/src/main/resources/ath-container: stat src/main/resources/ath-container/src/main/resources/ath-container: no such file or directory
 make: *** [Makefile:58: bake-build] Error 1

cc @smerle33 for info to study the "bug" and fix it.

@timja

• The dockerfile builds so you can proceed with confidence in this PR
• We (infra team) have to check why is the githhub check not reporting (it is unexpected)

[dduportal]

Additionnaly:

• As per Cannot make changes to the ATH image and its consumers in the same code change #1193, it looks like we need to reconsider the whole docker build with infra.ci here
• Fixing the pipeline library would allow starting work on ath-container is broken on arm64 #1322