Updated stable branch to revision 2.18.7
diff --git a/Formula/dart.rb b/Formula/dart.rb
index edf1277..89c8265 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/2.18.6/sdk/dartsdk-macos-x64-release.zip"
-    sha256 "882497269dc6d7304c3367d721c170f20ff4661cbb055b9ec86c006fa95c2314"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-macos-x64-release.zip"
+    sha256 "71675de774e19ccc872234ffcbd96401af49b88330001aeb47cff648eee790ca"
   elsif OS.mac? && Hardware::CPU.arm?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-macos-arm64-release.zip"
-    sha256 "d5f55d1231ac189d15899bd39631f8391ef326111d356a63bf2a4dd14d7755e0"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-macos-arm64-release.zip"
+    sha256 "2742114776a5b476f64cb96596eaeb2d346f65686b7f358b06de83f0e3eb2a48"
   elsif OS.linux? && Hardware::CPU.intel?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-x64-release.zip"
-      sha256 "492c0e835203c4402e3d8291d12b53927f0300c8080aaf63a9113c204255a735"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-x64-release.zip"
+      sha256 "337de0ad3ee66dca7ffa81fc3cd9ecd53d4593384da9d1dfcf4b68f69559fa2b"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-ia32-release.zip"
-      sha256 "c97d1b3bf549690fb8c39392dd36b004795c54e808fe6c3503aa872850f79c32"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-ia32-release.zip"
+      sha256 "3a02c848c1ea1ae2f7b0cae28ed5ec6a0160a795b7440e2e217aafa3eabeb0d3"
     end
   elsif OS.linux? && Hardware::CPU.arm?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-arm64-release.zip"
-      sha256 "61dbb462b48aee4f3184b6ecdd356632f39165ae8570fe77a62900a6444f702c"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-arm64-release.zip"
+      sha256 "684092802f280ca7a64b111da647bbd380d2ce5adf8a23bcd70cc902a3c4a495"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-arm-release.zip"
-      sha256 "c360ff64d1306ed5038a7df98142eff832abebc486d3e2b7f68b0fc53279a849"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-arm-release.zip"
+      sha256 "daa5139774ba50f100115c79dc193c0bb0a48737c79eb915ee8f25c4ec74ace1"
     end
   end