build(deps): bump tower-test from `a1c277b` to `1992ebd` #10618

Job	Run time
Clippy linting	1m 53s
Run unit tests	6m 15s
Build in release mode	1m 41s
Check rustfmt style	21s
Run integration tests	4m 25s
Subgraph Runner integration tests	3m 22s
	17m 57s

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