Disable DetectVMInstallationsJob in Jenkins

That should reduce possible side effects on API analysis.

See eclipse-pde/eclipse.pde#782

Jenkinsfile

@@ -35,6 +35,7 @@ pipeline {
 					-Ptest-on-javase-21 -Pbree-libs -Papi-check \
 					-Djava.io.tmpdir=$WORKSPACE/tmp -Dproject.build.sourceEncoding=UTF-8 \
 					-Dtycho.surefire.argLine="--add-modules ALL-SYSTEM -Dcompliance=1.8,11,17,19,21 -Djdt.performance.asserts=disabled" \
+					-DDetectVMInstallationsJob.disabled=true \
 					-Dcbi-ecj-version=99.99
 					"""
 			}