Update Xcode projects to use nightly builds. (#6873)

Update Xcode projects to use nightly builds. (#6873)

Summary:

Pinning to binaries build daily.

Differential Revision: D65974580

Author: shoumikhin

docs/source/apple-runtime.md

@@ -38,7 +38,7 @@ The prebuilt ExecuTorch runtime, backend, and kernels are available as a [Swift
 
 #### Xcode
 
-In Xcode, go to `File > Add Package Dependencies`. Paste the URL of the [ExecuTorch repo](https://github.com/pytorch/executorch) into the search bar and select it. Make sure to change the branch name to the desired ExecuTorch version, e.g., "0.4.0", or just use the "latest" branch name for the latest stable build.
+In Xcode, go to `File > Add Package Dependencies`. Paste the URL of the [ExecuTorch repo](https://github.com/pytorch/executorch) into the search bar and select it. Make sure to change the branch name to the desired ExecuTorch version in format "swiftpm-<version>", (e.g. "swiftpm-0.4.0"), or a branch name in format "swiftpm-<version>.<year_month_date>" (e.g. "swiftpm-0.4.0-20241114") for a nightly build on a specific date.
 
 ![](_static/img/swiftpm_xcode1.png)
 
@@ -66,7 +66,7 @@ let package = Package(
     .library(name: "YourPackageName", targets: ["YourTargetName"]),
   ],
   dependencies: [
-    // Use "latest" branch name for the latest stable build.
+    // Use "swiftpm-0.4.0.<year_month_day>" branch name for a nightly build.
     .package(url: "https://github.com/pytorch/executorch.git", .branch("0.4.0"))
   ],
   targets: [

examples/demo-apps/apple_ios/ExecuTorchDemo/ExecuTorchDemo.xcodeproj/project.pbxproj

@@ -806,8 +806,8 @@
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/pytorch/executorch";
 			requirement = {
-				kind = revision;
-				revision = bcc378c89f47d356f7c8db42730673e019dd0855;
+				kind = branch;
+				branch = "swiftpm-0.4.0.2024114";
 			};
 		};
 /* End XCRemoteSwiftPackageReference section */

examples/demo-apps/apple_ios/LLaMA/LLaMA.xcodeproj/project.pbxproj

@@ -896,8 +896,8 @@
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/pytorch/executorch";
 			requirement = {
-				kind = revision;
-				revision = bcc378c89f47d356f7c8db42730673e019dd0855;
+				kind = branch;
+				branch = "swiftpm-0.4.0.2024114";
 			};
 		};
 /* End XCRemoteSwiftPackageReference section */

examples/demo-apps/apple_ios/LLaMA/docs/delegates/xnnpack_README.md

@@ -127,11 +127,9 @@ While we recommended using the latest prebuilt package pre-configured with the X
 
 Go to Project Navigator, click on LLaMA. `Project --> LLaMA --> Package Dependencies`, and update the package dependencies to any of the available options below:
 
-- Branch --> latest
+- Branch --> swiftpm-0.4.0.20241114 (amend to match the latest nightly build)
 - Branch --> 0.4.0
 - Branch --> 0.3.0
-- Commit --> (Specify the commit hash, for example: `bcc378c89f47d356f7c8db42730673e019dd0855`. Full list [here](https://github.com/pytorch/executorch/commits/latest/))
-
 
 ### 2.2 Manually build the package locally and link them