Xcode 26.3 Release (#326)

* Xcode 26.4 Beta 2

* Updated Tahoe runtimes to latest Xcode 26.4 release versions

.ci/cirrus.runner.yml

@@ -12,7 +12,7 @@ task:
         XCODE_COMPONENTS: "\"MetalToolchain\""
         DISK_SIZE: 400
       - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26.2\",\"26.4-beta\",\"26.3-rc-2\",\"26.1.1\",\"26.0.1\""
+        XCODE_VERSIONS: "\"26.3\",\"26.4-beta-2\",\"26.2\",\"26.1.1\",\"26.0.1\""
         XCODE_COMPONENTS: "\"MetalToolchain\""
         ADDITIONAL_IOS_BUILDS: "18.6"
         DISK_SIZE: 300

data/expected.tahoe.runtimes.txt

@@ -3,10 +3,10 @@ iOS 18.6 (18.6 - 22G86) - com.apple.CoreSimulator.SimRuntime.iOS-18-6
 iOS 26.0 (26.0.1 - 23A8464) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
 iOS 26.1 (26.1 - 23B86) - com.apple.CoreSimulator.SimRuntime.iOS-26-1
 iOS 26.2 (26.2 - 23C54) - com.apple.CoreSimulator.SimRuntime.iOS-26-2
-iOS 26.4 (26.4 - 23E5207p) - com.apple.CoreSimulator.SimRuntime.iOS-26-4
+iOS 26.4 (26.4 - 23E5218e) - com.apple.CoreSimulator.SimRuntime.iOS-26-4
 tvOS 26.2 (26.2 - 23K51) - com.apple.CoreSimulator.SimRuntime.tvOS-26-2
-tvOS 26.4 (26.4 - 23L5208m) - com.apple.CoreSimulator.SimRuntime.tvOS-26-4
+tvOS 26.4 (26.4 - 23L5219e) - com.apple.CoreSimulator.SimRuntime.tvOS-26-4
 watchOS 26.2 (26.2 - 23S303) - com.apple.CoreSimulator.SimRuntime.watchOS-26-2
-watchOS 26.4 (26.4 - 23T5209m) - com.apple.CoreSimulator.SimRuntime.watchOS-26-4
+watchOS 26.4 (26.4 - 23T5221e) - com.apple.CoreSimulator.SimRuntime.watchOS-26-4
 visionOS 26.2 (26.2 - 23N301) - com.apple.CoreSimulator.SimRuntime.xrOS-26-2
-visionOS 26.4 (26.4 - 23O5209m) - com.apple.CoreSimulator.SimRuntime.xrOS-26-4
+visionOS 26.4 (26.4 - 23O5220e) - com.apple.CoreSimulator.SimRuntime.xrOS-26-4