refactor: enable remote execution on Aspect workflows

.aspect/workflows/bazelrc

diff --git a/.aspect/workflows/bazelrc b/.aspect/workflows/bazelrc
index 51dae69..3c29e11 100644
--- a/.aspect/workflows/bazelrc
+++ b/.aspect/workflows/bazelrc
@@ -1,3 +1,15 @@
 # build without the bytes
 common --remote_download_outputs=minimal
 common --nobuild_runfile_links
+
+##################################
+# RBE
+#
+# Always enable remote execution.
+# We test the local execution case in the "vanilla GitHub Actions" setup in /.github/workflows/ci.yaml
+common --host_platform=@aspect_bazel_lib//platforms:x86_64_linux_remote
+common --extra_execution_platforms=@aspect_bazel_lib//platforms:x86_64_linux_remote
+common --remote_executor=unix:///mnt/ephemeral/buildbarn/.cache/bb_clientd/grpc
+# 8 is the max scaling for the "staging" RBE cluster
+common --jobs=8
+common --remote_timeout=3600