Fix linting issues

src/Cake.Issues.Markdownlint/LogFileFormat/MarkdownlintCliJsonLogFileFormat.cs

@@ -79,7 +79,7 @@ private static IIssue GetIssue(
                         GetFilePath(logFileEntry.fileName, repositorySettings),
                         logFileEntry.lineNumber,
                         logFileEntry.errorRange != null ? logFileEntry.lineNumber : null,
-                        logFileEntry.errorRange != null ? logFileEntry.errorRange[0] : null,
+                        logFileEntry.errorRange?[0],
                         logFileEntry.errorRange != null ? logFileEntry.errorRange[0] + logFileEntry.errorRange[1] : null)
                     .WithPriority(IssuePriority.Warning)
                     .OfRule(logFileEntry.ruleNames.First(), new Uri(logFileEntry.ruleInformation))

src/Cake.Issues.Markdownlint/LogFileFormat/MarkdownlintCliLogFileFormat.cs

@@ -48,6 +48,7 @@ public override IEnumerable<IIssue> ReadIssues(
                 {
                     columnNumber = int.Parse(groups["columnNumber"].Value);
                 }
+
                 var ruleId = groups["ruleId"].Value;
                 var message = groups["message"].Value;
 

src/Cake.Issues.Markdownlint/MarkdownlintRuleUrlResolver.cs

@@ -9,7 +9,7 @@
     internal class MarkdownlintRuleUrlResolver : BaseRuleUrlResolver<MarkdownlintRuleDescription>
     {
         private static readonly Lazy<MarkdownlintRuleUrlResolver> InstanceValue =
-            new Lazy<MarkdownlintRuleUrlResolver>(() => new MarkdownlintRuleUrlResolver());
+            new(() => new MarkdownlintRuleUrlResolver());
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MarkdownlintRuleUrlResolver"/> class.