[gnome-builder] build: Add ide-lsp-utils.h to public headers

[Christian Hergert <chergert src gnome org>]

commit c7e98547a949b9ad215441822ea86355eb49cb77
Author: Matthew Jakeman <mjakeman26 outlook co nz>
Date:   Wed Dec 22 00:37:55 2021 +1300

    build: Add ide-lsp-utils.h to public headers
    
    The file `ide-lsp-utils.h` is included by libide-lsp.h
    and thus causes a compilation error by not being included.

 src/libide/lsp/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/lsp/meson.build b/src/libide/lsp/meson.build
index c3e8af44e..08657ba66 100644
--- a/src/libide/lsp/meson.build
+++ b/src/libide/lsp/meson.build
@@ -25,11 +25,11 @@ libide_lsp_public_headers = [
   'ide-lsp-symbol-resolver.h',
   'ide-lsp-symbol-tree.h',
   'ide-lsp-types.h',
+  'ide-lsp-util.h',
   'ide-lsp-workspace-edit.h',
 ]
 
 libide_lsp_private_headers = [
-  'ide-lsp-util.h',
   'ide-lsp-symbol-node-private.h',
   'ide-lsp-symbol-tree-private.h',
 ]