Upgrade rand to 0.9.4

See https://rustsec.org/advisories/RUSTSEC-2026-0097

Cargo.lock

@@ -4235,7 +4235,7 @@ dependencies = [
  "futures-util",
  "opentelemetry",
  "percent-encoding",
- "rand 0.9.2",
+ "rand 0.9.4",
  "thiserror 2.0.17",
  "tokio",
  "tokio-stream",
@@ -4803,9 +4803,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.9.2"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+checksum = "44c5af06bb1b7d3216d91932aed5265164bf384dc89cd6ba05cf59a35f5f76ea"
 dependencies = [
  "rand_chacha 0.9.0",
  "rand_core 0.9.3",
@@ -5449,7 +5449,7 @@ version = "0.46.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0b1e7ca40f965db239da279bf278d87b7407469b98835f27f0c8e59ed189b06"
 dependencies = [
- "rand 0.9.2",
+ "rand 0.9.4",
  "sentry-types",
  "serde",
  "serde_json",
@@ -5502,7 +5502,7 @@ checksum = "567711f01f86a842057e1fc17779eba33a336004227e1a1e7e6cc2599e22e259"
 dependencies = [
  "debugid",
  "hex",
- "rand 0.9.2",
+ "rand 0.9.4",
  "serde",
  "serde_json",
  "thiserror 2.0.17",