Force annotation processing, since it is needed with Java 25

opencensus-java.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package opencensus-java
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -281,7 +281,7 @@ done
 %if %{?pkg_vcmp:%pkg_vcmp java-devel >= 9}%{!?pkg_vcmp:0}
 	-Dmaven.compiler.release=8 \
 %endif
-    -Dsource=8
+    -Dsource=8 -Dmaven.compiler.proc=full
 
 %install
 %mvn_install