Rust

Bump braces from 3.0.2 to 3.0.3 in /ballista/scheduler/ui #2408

Job	Run time
Build Libraries on AMD64 Rust stable	14m 1s
React build	3m 8s
Lint	23s
Test on windows-latest Rust stable	6m 2s
Test on macos-latest Rust stable	2m 54s
Test Ballista on AMD64 Rust stable	8m 31s
Check Cargo.toml formatting (amd64, stable)	3m 23s
Clippy (amd64, stable)	2m 46s
Docker	57s
verify benchmark results (amd64) (amd64, stable)	9m 6s
Test Workspace on AMD64 Rust stable	10m 55s
	1h 2m 6s

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