build(deps): bump tower-test from `a1c277b` to `1992ebd` #10600

Job	Run time
Run integration tests	4m 41s
Check rustfmt style	19s
Subgraph Runner integration tests	3m 21s
Run unit tests	6m 50s
Build in release mode	1m 51s
Clippy linting	1m 28s
	18m 30s

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