update parent to 27

Author: hohwille

.github/workflows/build.yml

@@ -1,7 +1,7 @@
 name: CI build
 on: 
   push:
-    branches: master
+    branches: main
 jobs:
   build:
     runs-on: ubuntu-latest

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.github.m-m-m</groupId>
     <artifactId>mmm</artifactId>
-    <version>26</version>
+    <version>27</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
   <artifactId>mmm-ui-api-parent</artifactId>