【功能】私有化xctoolchain仓库，防止流水线组装错误

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "Vendor/xctoolchain"]
 	path = Vendor/xctoolchain
-	url = https://github.com/nlutsenko/xctoolchain.git
+	url = https://git.forgetive.org/XCAppCollection/xctoolchain.git

SocketRocket.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name               = 'SocketRocket'
-  s.version            = '0.7.0'
+  s.version            = '1.0.0'
   s.summary            = 'A conforming WebSocket (RFC 6455) client library for iOS, macOS and tvOS.'
   s.homepage           = 'https://git.forgetive.org/XCAppCollection/SocketRocket'
   s.authors            = { 'Nikita Lutsenko' => 'nlutsenko@me.com', 'Dan Federman' => 'federman@squareup.com', 'Mike Lewis' => 'mikelikespie@gmail.com' }