chore(deps): bump swift-testing

Bumps [github.com/apple/swift-testing](https://github.com/apple/swift-testing) from 0.99.0 to 6.3.1.
- [Release notes](https://github.com/apple/swift-testing/releases)
- [Commits](https://github.com/apple/swift-testing/compare/0.99.0...6.3.1)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-testing
  dependency-version: 6.3.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Swabble/Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "e6910acc97de62dc423c0a391985c1c2f28207951e356081539abde41f9ffc72",
+  "originHash" : "646c710cf04fdf9e6c6ca935f3184924db3397a816848a7f8a8a3c10a4d8e9c8",
   "pins" : [
     {
       "identity" : "commander",
@@ -15,8 +15,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swiftlang/swift-syntax.git",
       "state" : {
-        "revision" : "0687f71944021d616d34d922343dcef086855920",
-        "version" : "600.0.1"
+        "revision" : "9de99a78f099e59caf2b2beec65a4c45d54b2081",
+        "version" : "603.0.1"
       }
     },
     {
@@ -24,8 +24,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-testing",
       "state" : {
-        "revision" : "399f76dcd91e4c688ca2301fa24a8cc6d9927211",
-        "version" : "0.99.0"
+        "revision" : "937120cbc281cf29727fdfb8734482158508b4fc",
+        "version" : "6.3.1"
       }
     }
   ],

Swabble/Package.swift

@@ -14,7 +14,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/steipete/Commander.git", exact: "0.2.2"),
-        .package(url: "https://github.com/apple/swift-testing", from: "0.99.0"),
+        .package(url: "https://github.com/apple/swift-testing", from: "6.3.1"),
     ],
     targets: [
         .target(