Bump FluentAssertions from 8.0.1 to 8.1.1 (#2444)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 8.0.1 to 8.1.1.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/main/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@8.0.1...8.1.1)

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

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

Author: dependabot[bot]

src/Bicep.Types.Az.UnitTests/Bicep.Types.Az.UnitTests.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="8.0.1" />
+    <PackageReference Include="FluentAssertions" Version="8.1.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.3" />
     <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />

src/Bicep.Types.Az.UnitTests/packages.lock.json

@@ -10,9 +10,9 @@
       },
       "FluentAssertions": {
         "type": "Direct",
-        "requested": "[8.0.1, )",
-        "resolved": "8.0.1",
-        "contentHash": "IW5CdXiD4BIijMkJsEajhkQr7HSgzoxZBHp77b4tm8isCKGaDH2AGugW6DLS0/EPhO/MCZ2JOGg6ObdlKISJMg=="
+        "requested": "[8.1.1, )",
+        "resolved": "8.1.1",
+        "contentHash": "tzrZ95x7TWY4panvAhVoHg5zIhg4768Cx+8ZPoKR2sDPu2oCvVeg3ts0TTL0aJlIfZ1NGxCtBP5s555AgXJozg=="
       },
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",