deps: Bump Microsoft.Identity.Web from 3.14.1 to 4.0.0

---
updated-dependencies:
- dependency-name: Microsoft.Identity.Web
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

samples/DragonCopilot/Workflow/SampleExtension.Web/SampleExtension.Web.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.6" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.10" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="3.14.1" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>