Bump .solargraph.yml.example max_files

Locally, my solargraph said there were 15030 files.

Bump .solargraph.yml.example max_files
Locally, my solargraph said there were 15030 files.
e7a9620b · Michael Kozono · a5fae5a4 · e7a9620b
--- a/.solargraph.yml.example
+++ b/.solargraph.yml.example
@@ -24,4 +24,4 @@ formatter:
  rubocop: # formatting
 require_paths: []
 plugins: []
-max_files: 15000
+max_files: 20000