build(deps): bump tower-test from c1e28af to 46f9b4f#6319

lutter merged 1 commit intomastergraphprotocol/graph-node:masterfrom

dependabot/cargo/tower-test-46f9b4fgraphprotocol/graph-node:dependabot/cargo/tower-test-46f9b4fCopy head branch name to clipboard