fix(deps): update posthog-rs digest to 09f7521

Author: renovate[bot]

tailcall-tracker/Cargo.toml

@@ -20,7 +20,7 @@ tokio = { workspace = true, features = ["rt", "time"] }
 tracing = { workspace = true }
 sysinfo = "0.32.0"
 tailcall-version = { path = "../tailcall-version" }
-posthog-rs = { git = "https://github.com/PostHog/posthog-rs.git", rev = "a006a81419031e4889d9c3882d7458d2efa588a8" }
+posthog-rs = { git = "https://github.com/PostHog/posthog-rs.git", rev = "09f7521cf9192148ec833d8e7ac0512e63052c91" }
 async-trait = "0.1.81"
 chrono = "0.4.38"
 whoami = "1.5.2"