Protobuf's Linakge Monitor check to use a local test BOM rather than google-cloud-shared-dependencies

PiperOrigin-RevId: 547882989
diff --git a/java/BUILD.bazel b/java/BUILD.bazel
index fa6d8ba..1b45507 100644
--- a/java/BUILD.bazel
+++ b/java/BUILD.bazel
@@ -26,6 +26,7 @@
     ] + glob([
         "pom.xml",
         "*/pom.xml",
+        "test/linkage-monitor-check-bom/pom.xml",
     ]),
 )