use a stable xcode version

Change-Id: I827a8825213202d7b94435c27ba330534c94785f

Author: rdementi

.github/workflows/macos-scan-build.yml

@@ -20,6 +20,10 @@ jobs:
       with:
         egress-policy: audit
 
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: '14.3.1'
+
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         submodules: recursive

.github/workflows/macosx_build.yml

@@ -20,6 +20,10 @@ jobs:
       with:
         egress-policy: audit
 
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: '14.3.1'
+
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         submodules: recursive