Firecracker PR main pipeline

ci: Add secret hiding kernel to defaults buildkite

Failed in 31m 50s
:pipeline:
🪶 Style
📦 m6i.metal al2023 linux_6.1./tools/devtool -y test --no-build -- integration_tests/build/
Waited 3m 22s
·
Ran in 11m 45s
📦 m6a.metal ubuntu24 secret_hiding./tools/devtool -y test --no-build -- integration_tests/build/
Waited 3m 20s
·
Ran in 9m 43s
⚙ c5n.metal al2 linux_5.10buildkite-agent artifact download "build_$(uname -m)_cdc6f5DC.tar.gz" . && tar xzf build_$(uname -m)_cdc6f5DC.tar.gz && ./tools/devtool -y test --no-build -- -n 16 --dist worksteal integration_tests/{functional,security}
Waited 3m 34s
·
Ran in 7m 26s
Total Job Run Time: 9h 25m