build(deps): bump MSTest.TestFramework from 3.6.4 to 3.7.3

Bumps [MSTest.TestFramework](https://github.com/microsoft/testfx) from 3.6.4 to 3.7.3.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.6.4...v3.7.3)

---
updated-dependencies:
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

AutoStartConfirmTests/AutoStartConfirmTests.csproj

@@ -32,7 +32,7 @@
     <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1742" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
     <Manifest Include="$(ApplicationManifest)" />
   </ItemGroup>
   <!-- 

AutoStartConfirmTests/packages.lock.json

@@ -49,9 +49,12 @@
       },
       "MSTest.TestFramework": {
         "type": "Direct",
-        "requested": "[3.6.4, )",
-        "resolved": "3.6.4",
-        "contentHash": "3nV+2CJluKmiJpCSqQfXu5idCq35+vqFywjScyauTIz0Zk7KJw7Qpzv8gtwow0To7pxIlIvwkq9rbMB+V6eOow=="
+        "requested": "[3.7.3, )",
+        "resolved": "3.7.3",
+        "contentHash": "Eg4F4zOsAFKlSiLI3tOJfg6BGXeppLhgdupAfVlnpZBXa3rNqxINIeZDJ5/KpoW5BRZyUSZW76Q8yNNk0GqCEQ==",
+        "dependencies": {
+          "MSTest.Analyzers": "3.7.3"
+        }
       },
       "Castle.Core": {
         "type": "Transitive",
@@ -290,6 +293,11 @@
         "resolved": "8.0.0",
         "contentHash": "9opKRyOKMCi2xJ7Bj7kxtZ1r9vbzosMvRrdEhVhDz8j8MoBGgB+WmC94yH839NPH+BclAjtQ/pyagvi/8gDLkw=="
       },
+      "MSTest.Analyzers": {
+        "type": "Transitive",
+        "resolved": "3.7.3",
+        "contentHash": "5KcyyxIP0UBRKBs135+S3JQJALc1PmZMzhpR86JIXQ2Dnd/lDiOGNDD8R23X015mWi1K95KQWsGWw+3e7DUrgg=="
+      },
       "Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.3",