INFRA-468: Upgrade Jenkins and Fix outdated plugins

[enyachoke]

This PR upgrades Jenkins and updates outdated plugins. It also fixes an issue with SCM webhook not working with the error

java.lang.UnsupportedOperationException: no known implementation of class hudson.scm.SCM is named GitSCM
	at org.jenkinsci.plugins.structs.describable.DescribableModel.resolveClass(DescribableModel.java:549)
	at org.jenkinsci.plugins.structs.describable.DescribableModel.coerce(DescribableModel.java:473)
	at org.jenkinsci.plugins.structs.describable.DescribableModel.buildArguments(DescribableModel.java:409)
	at org.jenkinsci.plugins.structs.describable.DescribableModel.instantiate(DescribableModel.java:329)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:306)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:196)
	at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:124)
	at jdk.internal.reflect.GeneratedMethodAccessor8264.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:98)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)

This was caused by the GIT plugin not starting. Ticket: https://mekomsolutions.atlassian.net/browse/INFRA-468