Adopt shared markdownlint config (maintenance promotion, no version bump)

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "csharpier": {
-      "version": "1.2.6",
+      "version": "1.3.0",
       "commands": [
         "csharpier"
       ],

.editorconfig

@@ -37,7 +37,7 @@ end_of_line = crlf
 indent_size = 2
 
 # Json files
-[*.json]
+[*.{json,jsonc}]
 end_of_line = crlf
 
 # Linux scripts

.markdownlint-cli2.jsonc

@@ -0,0 +1,14 @@
+{
+    "config": {
+        // Prose paragraphs and data-heavy tables/URLs are intentionally long;
+        // reflowing at 80 cols hurts readability and churns diffs.
+        "MD013": false,
+        // Inline HTML is used for reference-link section dividers.
+        "MD033": false,
+        // Require fenced code blocks over the legacy 4-space-indented style.
+        "MD046": { "style": "fenced" },
+        // Wide tables are intentional where wrapping cells breaks GitHub rendering.
+        "MD060": false
+    },
+    "gitignore": true
+}

Directory.Packages.props

@@ -3,10 +3,10 @@
     <PackageVersion Include="AwesomeAssertions" Version="9.4.0" />
     <PackageVersion Include="CliWrap" Version="3.10.2" />
     <PackageVersion Include="coverlet.collector" Version="10.0.1" />
-    <PackageVersion Include="InsaneGenius.Utilities" Version="3.4.3" />
+    <PackageVersion Include="InsaneGenius.Utilities" Version="3.4.18" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.300" />
-    <PackageVersion Include="ptr727.LanguageTags" Version="1.2.51" />
+    <PackageVersion Include="ptr727.LanguageTags" Version="1.2.54" />
     <PackageVersion Include="Serilog" Version="4.3.1" />
     <PackageVersion Include="Serilog.Enrichers.Thread" Version="4.0.0" />
     <PackageVersion Include="Serilog.Sinks.Async" Version="2.1.0" />