Bump version to v0.17.15 (#2462)

Co-authored-by: github-actions <github-actions@github.com>

Author: shopify-github-actions-access[bot]

Gemfile.lock

@@ -9,7 +9,7 @@ GIT
 PATH
   remote: .
   specs:
-    ruby-lsp (0.17.14)
+    ruby-lsp (0.17.15)
       language_server-protocol (~> 3.17.0)
       prism (>= 0.29.0, < 0.31)
       rbs (>= 3, < 4)

VERSION

@@ -1 +1 @@
-0.17.14
+0.17.15