Accept bindgen 0.69.4 in the netsim build

The netsim-dev branch is still building with cargo, even though it's
unsupported, and has this in presubmit. This is an extra step taken to
deal with their unsupported build.

Change-Id: Ieda068bc15a7a9eb328103584b136524017c60dd
diff --git a/Cargo.toml b/Cargo.toml
index e17251c..71ad7b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,7 +85,7 @@
 optional = true
 
 [build-dependencies.bindgen]
-version = "0.69.1"
+version = "0.69.4"
 features = ["runtime"]
 optional = true
 default-features = false
@@ -125,4 +125,4 @@
 ]
 
 [target."cfg(not(all(any(target_os = \"linux\", target_os = \"macos\"), any(target_arch = \"x86_64\", target_arch = \"aarch64\"))))".build-dependencies.bindgen]
-version = "0.69.1"
+version = "0.69.4"
diff --git a/patches/Cargo.toml.diff b/patches/Cargo.toml.diff
index 9b56e0d..0f45938 100644
--- a/patches/Cargo.toml.diff
+++ b/patches/Cargo.toml.diff
@@ -24,7 +24,7 @@
  
  [build-dependencies.bindgen]
 -version = "0.59.0"
-+version = "0.69.1"
++version = "0.69.4"
  features = ["runtime"]
  optional = true
  default-features = false
@@ -52,4 +52,4 @@
  
  [target."cfg(not(all(any(target_os = \"linux\", target_os = \"macos\"), any(target_arch = \"x86_64\", target_arch = \"aarch64\"))))".build-dependencies.bindgen]
 -version = "0.59.0"
-+version = "0.69.1"
++version = "0.69.4"