Fix linting CI treating README files as modules (#7285)

Filter out README files from module names

.github/workflows/lint.yml

@@ -83,7 +83,7 @@ jobs:
                 .replace('modules/nf-core/', '')
                 .split('/')
                 .slice(0, 2)
-                .filter(x => !x.startsWith('main.nf') && x !== 'tests' && x !== 'meta.yml' && x !== 'environment.yml')
+                .filter(x => !x.startsWith('main.nf') && x !== 'tests' && x !== 'meta.yml' && x !== 'environment.yml' && !/^README.*\.md$/i.test(x))
                 .join('/'))
               )
             ];