chore(deps): update cloudevents.sdk.version to v4 (#282)

Co-authored-by: Jeremy Fehr <[email protected]>

Author: renovate-bot

invoker/core/pom.xml

@@ -22,7 +22,7 @@
     <junit.jupiter.version>5.3.2</junit.jupiter.version>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
-    <cloudevents.sdk.version>3.0.0</cloudevents.sdk.version>
+    <cloudevents.sdk.version>4.0.1</cloudevents.sdk.version>
   </properties>
 
   <licenses>