Skip core/Version.php version check for preview version builds

.github/scripts/build-package.sh

@@ -219,7 +219,10 @@ echo "Git tag: $(git describe --exact-match --tags HEAD)"
 echo "Git path: $CURRENT_DIR/$LOCAL_REPO"
 echo "Matomo version in core/Version.php: $(php -r "include_once 'core/Version.php'; echo \Piwik\Version::VERSION;")"
 
-if [ "$VERSION" != "build" ]; then
+IS_PREVIEW_VERSION=$(php -r "include_once 'core/Version.php'; \$v = new \Piwik\Version(); echo (int) \$v->isPreviewVersion('$VERSION');")
+
+if [ "$VERSION" != "build" ] && [ "$IS_PREVIEW_VERSION" == "0" ]
+then
   [ "$(grep "'$VERSION'" core/Version.php | wc -l)" = "1" ] || die "version $VERSION does not match core/Version.php";
 fi