Fix(pom.xml): Use older version of Strimzi API that supports KafkaUser v1beta2

Author: rkubis

pom.xml

@@ -21,7 +21,7 @@
         <version.operator>1.1.3-v2.6.4.final</version.operator>
         <version.hamcrest>3.0</version.hamcrest>
         <version.slf4j>2.0.17</version.slf4j>
-        <version.strimzi.api>0.50.1</version.strimzi.api>
+        <version.strimzi.api>0.45.1</version.strimzi.api>
         <version.eclipse.jgit>7.5.0.202512021534-r</version.eclipse.jgit>
         <version.org.json>20251224</version.org.json>
         <version.apache.commons>3.20.0</version.apache.commons>