Bump Ruby LSP dependency to v0.17.9 (#415)

Author: andyw8

Gemfile.lock

@@ -232,7 +232,7 @@ GEM
       rubocop (~> 1.51)
     rubocop-sorbet (0.8.3)
       rubocop (>= 0.90.0)
-    ruby-lsp (0.17.7)
+    ruby-lsp (0.17.9)
       language_server-protocol (~> 3.17.0)
       prism (>= 0.29.0, < 0.31)
       rbs (>= 3, < 4)

test/ruby_lsp_rails/hover_test.rb

@@ -95,8 +95,14 @@ class User < ApplicationRecord
         RUBY
 
         assert_equal(<<~CONTENT.chomp, response.contents.value)
+          ```ruby
+          Blog::User
+          ```
+
+          **Definitions**: [fake.rb](file:///fake.rb#L2,3-3,6)
           [Schema](#{URI::Generic.from_path(path: dummy_root + "/db/schema.rb")})
 
+
           **id**: integer (PK)
 
           **first_name**: string
@@ -237,7 +243,7 @@ class ActiveRecord::Base
       private
 
       def hover_on_source(source, position)
-        with_server(source) do |server, uri|
+        with_server(source, stub_no_typechecker: true) do |server, uri|
           server.process_message(
             id: 1,
             method: "textDocument/hover",