Commit: CI: bump xcode to 16.4

[Christian Brabandt]

CI: bump xcode to 16.4

Commit: https://github.com/vim/vim/commit/2897a8d0404833bbb7f0140da805a1963c1b2d1f
Author: Philip H. <47042125...@users.noreply.github.com>
Date: Sat Jun 7 17:45:21 2025 +0200

CI: bump xcode to 16.4

closes: https://github.com/vim/vim/issues/17446

Signed-off-by: Philip H. <47042125...@users.noreply.github.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f2e06df5..47fdc0e2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -387,7 +387,7 @@ jobs:
if: matrix.runner == 'macos-15'
run: |
# Xcode 16 has compiler bugs which are fixed in 16.2+
- sudo xcode-select -s /Applications/Xcode_16.3.app/Contents/Developer
+ sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer

- name: Set up environment
run: |