build: bump palantir-java-format

Supposedly improves Java 21 support but unnamed variables are still unsupported.

Author: ObserverOfTime

pom.xml

@@ -174,7 +174,7 @@
         <configuration>
           <java>
             <palantirJavaFormat>
-              <version>2.50.0</version>
+              <version>2.73.0</version>
               <style>PALANTIR</style>
               <formatJavadoc>false</formatJavadoc>
             </palantirJavaFormat>