SLING-7353 Update to Sling Parent 33

use Parent 33-SNAPSHOT
diff --git a/pom.xml b/pom.xml
index a28b146..85a79ba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.sling</groupId>
         <artifactId>sling</artifactId>
-        <version>30</version>
+        <version>33-SNAPSHOT</version>
         <relativePath />
     </parent>