build: link with lld by default on Linux; add Xcode 14.1 to CI matrix

Change-Id: I209894f1e53f5c3b95b379e0b843be821f8a12c1
diff --git a/.jenkins b/.jenkins
index ee16e29..52b94c5 100755
--- a/.jenkins
+++ b/.jenkins
@@ -16,6 +16,7 @@
         # Emulate a subset of os-release(5)
         export ID=macos
         export VERSION_ID=$(sw_vers -productVersion)
+        export PATH="/usr/local/bin${PATH:+:}${PATH}"
         if [[ -x /opt/homebrew/bin/brew ]]; then
             eval "$(/opt/homebrew/bin/brew shellenv)"
         elif [[ -x /usr/local/bin/brew ]]; then