Skiping few tests which are failing in downstream (#559)

CI :
https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/4511#_

Bazel Examples (tutorial-rust (Rust Vendored Deps) :
#553
Bazel Examples (frontend (basics_macos_lts), Bazel Examples (frontend
(basics_linux_lts) :
#556 (comment)


CC Greenteam : @meteorcloudy

Author: sgowroji

.bazelci/frontend.yml

@@ -23,6 +23,7 @@ basics: &basics
   working_directory: ../frontend
   build_targets:
   - "..."
+  skip_in_bazel_downstream_pipeline: "https://github.com/bazelbuild/examples/issues/556#issuecomment-2699827825"
   test_targets:
   - "..."
 

.bazelci/tutorial-rust.yml

@@ -50,6 +50,7 @@ tasks:
       - "//thirdparty:crates_vendor"
     build_targets:
       - "//..."
+    skip_in_bazel_downstream_pipeline: "https://github.com/bazelbuild/examples/issues/553"
   rust-08-grpc-client-server-linux:
      name: "Rust grpc"
      platform: ubuntu2204