fix: remove duplicate dependency import

Author: suchapalaver

Cargo.toml

@@ -89,7 +89,6 @@ tap_graph = { version = "0.3.4", features = ["v2"] }
 tempfile = "3.8.0"
 testcontainers-modules = { version = "0.12.1", features = ["postgres"] }
 test-log = { version = "0.2.12", default-features = false }
-testcontainers-modules = { version = "0.12.1", features = ["postgres"] }
 test-with = "0.14.6"
 thegraph-core = { version = "0.15.1", features = [
     "attestation",