Bump xunit.analyzers from 1.4.0 to 1.6.0 in /MarkdownLinkCheckLogParser (#102)

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

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] <support@github.com>

* fix analyzer warnings

---------

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

Author: dependabot[bot]

MarkdownLinkCheckLogParser/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" />

MarkdownLinkCheckLogParser/tests/MarkdownLinkCheckLogParserCli.Tests/CliCommands/ParseLogCommandValidatonTests.cs

@@ -12,7 +12,6 @@ public class ParseLogCommandValidatonTests
     /// Validation test for the <see cref="ParseLogCommand.AuthToken"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateAuthTokenOption(string authToken)
@@ -41,7 +40,6 @@ public async Task ValidateAuthTokenOption(string authToken)
     /// Validation test for the <see cref="ParseLogCommand.Repo"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateRepoOption(string repo)
@@ -70,7 +68,6 @@ public async Task ValidateRepoOption(string repo)
     /// Validation test for the <see cref="ParseLogCommand.RunId"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateRunIdOption(string runId)
@@ -99,7 +96,6 @@ public async Task ValidateRunIdOption(string runId)
     /// Validation test for the <see cref="ParseLogCommand.AuthToken"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateJobNameOption(string jobName)
@@ -128,7 +124,6 @@ public async Task ValidateJobNameOption(string jobName)
     /// Validation test for the <see cref="ParseLogCommand.StepName"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateStepNameOption(string stepName)
@@ -157,7 +152,6 @@ public async Task ValidateStepNameOption(string stepName)
     /// Validation test for the <see cref="ParseLogCommand.OutputOptions"/> command option.
     /// </summary>
     [Theory]
-    [InlineData(null)]
     [InlineData("")]
     [InlineData("   ")]
     public async Task ValidateOutputOptionsOption(string outputOptions)