fix(stackable-telemetry): Remove stackable-webhook as a dependency

Author: NickLarsenNZ

crates/stackable-telemetry/Cargo.toml

@@ -27,7 +27,6 @@ tracing-subscriber = { workspace = true, features = ["env-filter"] }
 tokio.workspace = true
 tracing-opentelemetry.workspace = true
 rstest.workspace = true
-stackable-webhook = { path = "../stackable-webhook" }
 
 [package.metadata.cargo-udeps.ignore]
 # Required for doc tests in stackable-telemetry