build(deps): bump tower-test from `c1e28af` to `46f9b4f` #10973

Job	Run time
Run unit tests	3m 19s
Build in release mode	2m 10s
Run integration tests	4m 45s
Subgraph Runner integration tests	2m 55s
Check rustfmt style	23s
Clippy linting	2m 25s
	15m 57s

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