Update BUILD.bazel for 80ab823 (#84908)

Author: dklimkin

utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel

@@ -396,6 +396,7 @@ cc_test(
         ":static_analyzer_test_headers",
         "//clang:analysis",
         "//clang:ast",
+        "//clang:ast_matchers",
         "//clang:basic",
         "//clang:frontend",
         "//clang:static_analyzer_core",