[RelEng] Ignore misaligned version of org.eclipse.sdk.tests feature

The version of the org.eclipse.sdk.tests feature was increased twice in
this release cycle and therefore isn't properly updated in the release
preparation anymore.
To unbreak the release preparation it's misaligned version is
temporarily ignored/accepted.

Caused by
- eclipse-platform#3399

Author: HannesWell

JenkinsJobs/Releng/prepareNextDevCycle.jenkinsfile

@@ -306,7 +306,7 @@ pipeline {
 						--include \\*.sh \
 						--fixed-strings "${PREVIOUS_RELEASE_VERSION}")
 					# The eclipse-platform-parent/pom.xml contains the previous version in the baseline repository variable
-					if [[ -z "${matchingFiles}" ]] || [[ "${matchingFiles}" == 'eclipse-platform-parent/pom.xml' ]]; then
+					if [[ -z "${matchingFiles}" ]] || [[ "$(echo $matchingFiles)" == 'eclipse-platform-parent/pom.xml eclipse.platform.releng/features/org.eclipse.sdk.tests/feature.xml' ]]; then
 						echo "No unexpected references to previous version ${PREVIOUS_RELEASE_VERSION} found."
 						exit 0
 					else