Use unreleased trybuild to fix CI (#7656)

substrate/primitives/api/test/Cargo.toml

@@ -21,7 +21,7 @@ sp-consensus = { version = "0.8.0", path = "../../../primitives/consensus/common
 sc-block-builder = { version = "0.8.0", path = "../../../client/block-builder" }
 codec = { package = "parity-scale-codec", version = "1.3.1" }
 sp-state-machine = { version = "0.8.0", path = "../../../primitives/state-machine" }
-trybuild = "1.0.17"
+trybuild = { git = "https://github.com/bkchr/trybuild.git", branch = "bkchr-use-workspace-cargo-lock" }
 rustversion = "1.0.0"
 
 [dev-dependencies]