lint version liquid tags (#43828)

Co-authored-by: Peter Bengtsson <mail@peterbe.com>
Co-authored-by: Grace Park <gracepark@github.com>

src/content-linter/style/github-docs.js

@@ -86,6 +86,16 @@ const githubDocsConfig = {
     severity: 'error',
     'partial-markdown-files': false,
   },
+  'liquid-if-tags': {
+    // LQ114
+    severity: 'error',
+    'partial-markdown-files': true,
+  },
+  'liquid-ifversion-tags': {
+    // LQ113
+    severity: 'error',
+    'partial-markdown-files': true,
+  },
 }
 
 export const githubDocsFrontmatterConfig = {