build: suppress sun.misc.Unsafe warnings from Arrow and Protobuf

Both arrow-memory-unsafe and protobuf-java call arrayBaseOffset,
which is terminally deprecated in JDK 25. Suppress via
--sun-misc-unsafe-memory-access=allow in surefire (all modules)
and failsafe (integration) argLine.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dfa1

integration/pom.xml

@@ -88,6 +88,7 @@
 					<argLine>
 						--add-opens java.base/java.nio=ALL-UNNAMED
 						--enable-native-access=ALL-UNNAMED
+						--sun-misc-unsafe-memory-access=allow
 					</argLine>
 				</configuration>
 				<executions>

pom.xml

@@ -97,6 +97,9 @@
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
 					<version>3.5.2</version>
+					<configuration>
+						<argLine>--sun-misc-unsafe-memory-access=allow</argLine>
+					</configuration>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>