Bump xunit.analyzers from 1.4.0 to 1.6.0 in /GitHubIssueFormsParser (#122)

* Bump xunit.analyzers from 1.4.0 to 1.6.0 in /GitHubIssueFormsParser

Bumps [xunit.analyzers](https://github.com/xunit/xunit.analyzers) from 1.4.0 to 1.6.0.
- [Commits](xunit/xunit.analyzers@1.4.0...1.6.0)

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

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

* Fix analyzer warning

---------

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

Author: dependabot[bot]

GitHubIssueFormsParser/Directory.Build.props

@@ -74,7 +74,7 @@
     </PackageReference>
     <PackageReference Include="NSubstitute" Version="5.1.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
-    <PackageReference Include="xunit.analyzers" Version="1.4.0" />
+    <PackageReference Include="xunit.analyzers" Version="1.6.0" />
     <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.16" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.3.3" />
     <PackageReference Include="LiquidTestReports.Custom" Version="1.0.9" />

GitHubIssueFormsParser/tests/GitHubIssuesParserCli.Tests/CliCommands/ParseIssueFormCommandValidationTests.cs

@@ -14,7 +14,6 @@ public class ParseIssueFormCommandValidationTests
     /// Validation test for the <see cref="ParseIssueFormCommand.IssueFormBody"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateIssueFormBodyOption(string issueFormBody)
@@ -40,7 +39,6 @@ public async Task ValidateIssueFormBodyOption(string issueFormBody)
     /// Validation test for the <see cref="ParseIssueFormCommand.TemplateFilepath"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateTemplateFilepathOption(string templateFilepath)