Adjust Matrix room

Jenkinsfile

@@ -85,7 +85,7 @@ Void sendFailureMessage() {
                     "formatted_body":"api-lib: Build Failed. Stage: ${FAILED_STAGE} Build-ID: <a href='${BLUE_OCEAN_URL}'>${env.BUILD_NUMBER}</a>"}"""
 
     if (env.BRANCH_NAME == 'master') {
-        room = "!iQPAvQIiRwRpNOszjw:matrix.ozg-sh.de"
+        room = "!GjqhmouBtnDbwUkAjx:matrix.ozg-sh.de"
     }
     else if (env.BRANCH_NAME == 'release') {
         room = "!oWZpUGTFsxkJIYNfYg:matrix.ozg-sh.de"