[#14162] use right launchpad repo for stable releases

tools/build-system/launch-build-machine-jenkins.sh

@@ -146,11 +146,11 @@ LAUNCHPAD_CONF_PREFIX=""
 if [ ${IS_RELEASE} ]; then
 	SOFTWARE_VERSION="${CURRENT_RELEASE_VERSION}"
 	COMMIT_HASH_BEGIN="${PREVIOUS_RELEASE_COMMIT_HASH}"
-	LAUNCHPAD_CONF_PREFIX="sflphone-testing"
+	LAUNCHPAD_CONF_PREFIX="sflphone"
 else
 	SOFTWARE_VERSION="${VERSION_NUMBER}-rc${SNAPSHOT_TAG}"
 	COMMIT_HASH_BEGIN="${CURRENT_RELEASE_COMMIT_HASH}"
-	LAUNCHPAD_CONF_PREFIX="sflphone-testing"
+	LAUNCHPAD_CONF_PREFIX="sflphone-nightly"
 fi
 
 VERSION="${SOFTWARE_VERSION}~ppa${VERSION_INDEX}~SYSTEM"