Add macos-13 to CI matrix for test on x86_64 macos without blp

Author: eddelbuettel

.github/workflows/ci.yaml

@@ -14,7 +14,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - {os: macOS-latest}
+          - {os: macos-13}
+          - {os: macos-latest}
           - {os: ubuntu-latest}
 
     runs-on: ${{ matrix.os }}

ChangeLog

@@ -3,6 +3,8 @@
 	* configure: Streamline and simplify conditional compilation
 	* src/Makevars.in: Idem
 
+	* .github/workflows/ci.yaml: Add macos-13 build for no-blp x86_64
+
 2025-03-12  John Laing  <john.laing@gmail.com>
 
 	* src/authenticate.cpp: Correct duplicate export declaration