Updated stable channel to version 2.19.4
diff --git a/Formula/dart.rb b/Formula/dart.rb
index e9c6cfc..0f8b463 100644
--- a/Formula/dart.rb
+++ b/Formula/dart.rb
@@ -34,26 +34,26 @@
 
   conflicts_with "dart-beta", because: "dart-beta ships the same binaries"
   if OS.mac? && Hardware::CPU.intel?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-macos-x64-release.zip"
-    sha256 "9b44776fada33221228ce86ea4cb03a809bb9e16fff78eff429aaf234d7170a4"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-macos-x64-release.zip"
+    sha256 "07136127f4f1fc8ff54ab3d69df53535bed14027d56982c0db4af394ed8d0c25"
   elsif OS.mac? && Hardware::CPU.arm?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-macos-arm64-release.zip"
-    sha256 "dc2e0f7b8b15602cedbfaed01180628f40b2c14500af2db891816ae626a2602c"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-macos-arm64-release.zip"
+    sha256 "612118e856e6eedbdbea4c8d9e6cd1fa73a21614db7ed2e66dd991901004a103"
   elsif OS.linux? && Hardware::CPU.intel?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-linux-x64-release.zip"
-      sha256 "93b5db66868b0a0fd7f3615f2ae279985430de57f5e925e498d35b7d79ab0747"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-linux-x64-release.zip"
+      sha256 "f8591944512834ba19b4d8383d270d7f56fef03c56ba53d4e35c23db80ea8a33"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-linux-ia32-release.zip"
-      sha256 "0011b8070a5a78c560ce5e362508cc0859935ea3af3fe6b7fccb3847828e7a76"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-linux-ia32-release.zip"
+      sha256 "6ee9b912ccb6922e5a9cf1d8687398aa7e2ba283c327e55a42c95c8859892e9e"
     end
   elsif OS.linux? && Hardware::CPU.arm?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-linux-arm64-release.zip"
-      sha256 "af6e4aa9a146aab0844bca502c3bb3ebad33895d78f48743ff3513a7ef3dd163"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-linux-arm64-release.zip"
+      sha256 "c81303feea24228148bd4ec14c65bb9c341cba3596e3d68e8a874a9df947f928"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.3/sdk/dartsdk-linux-arm-release.zip"
-      sha256 "7f0d6dc9d79dc5168ce3000389b91039b1273104546eee6104d1e428e12fe72c"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.4/sdk/dartsdk-linux-arm-release.zip"
+      sha256 "a87833fbfed26ef810cb135c47eb7b5bc24c906b55abb4a2e183fea2d3ce1b51"
     end
   end