ignore gnu

Author: aidankmcalister

.github/workflows/lychee.yml

@@ -34,6 +34,7 @@ jobs:
             --exclude 'http://localhost.*'
             --exclude 'https://localhost.*'
             --exclude 'https://cockroachlabs.com'
+            --exclude 'https://www.gnu.org'
             --exclude '^/.*'
             './**/*.md' './**/*.mdx'
           workingDirectory: "content"
@@ -60,6 +61,7 @@ jobs:
             --exclude 'http://localhost.*'
             --exclude 'https://localhost.*'
             --exclude 'https://cockroachlabs.com'
+            --exclude 'https://www.gnu.org'
             --exclude '^/.*'
             './**/*.md' './**/*.mdx'
           workingDirectory: "content"