[FLINK-36207][build] Disables deprecated API from japicmp

The japicmp plugin doesn't seem to work well with Scala annotations (more specifically @scala.deprecated). But we're planning to remove the Scala code as part of the 2.0 release, anyway. Hence, excluding all *scala files should be good enough.

pom.xml

@@ -2362,13 +2362,17 @@ under the License.
 								<!--<include>@org.apache.flink.annotation.PublicEvolving</include>-->
 							</includes>
 							<excludes>
+								<exclude>@java.lang.Deprecated</exclude>
+								<exclude>*.scala</exclude>
 								<exclude>@org.apache.flink.annotation.Experimental</exclude>
 								<exclude>@org.apache.flink.annotation.PublicEvolving</exclude>
 								<exclude>@org.apache.flink.annotation.Internal</exclude>
 								<!-- MARKER: start exclusions; these will be wiped by tools/releasing/update_japicmp_configuration.sh -->
 								<!-- Mark these 2 methods to @Internal. Tracked under FLINK-34130, should be removed in 2.0 -->
 								<exclude>org.apache.flink.configuration.Configuration#getBytes(java.lang.String,byte[])</exclude>
 								<exclude>org.apache.flink.configuration.Configuration#setBytes(java.lang.String,byte[])</exclude>
+								<!-- FLINK-35886: WatermarksWithIdleness constructor was marked as deprecated -->
+								<exclude>org.apache.flink.api.common.eventtime.WatermarksWithIdleness</exclude>
 								<!-- FLINK-35812 move tuple interfaces into flink-core-api, should be removed in 2.0 -->
 								<exclude>org.apache.flink.api.java.tuple.*</exclude>
 								<exclude>org.apache.flink.types.NullFieldException</exclude>