Merge pull request #439 from camunda/bump-sdk-to-0.8.0-alpha2

deps: update SDK and runtime to latest

Author: igpetrov

pom.xml

@@ -19,7 +19,7 @@
   <inceptionYear>2022</inceptionYear>
 
   <properties>
-    <version.spring-zeebe>8.2.0-alpha3</version.spring-zeebe>
+    <version.spring-zeebe>8.2.0-alpha4</version.spring-zeebe>
 
     <version.spring-boot>3.0.5</version.spring-boot>
     <version.spring-cloud-gcp-starter-logging>3.4.7</version.spring-cloud-gcp-starter-logging>