Update amd64 macos workflow to use X86 arch (#355)

* Update AMD64 macos workflow to use X86 arch

* Set macos-13 for nmake in amd64_macos_cmake.yml

* Add comment after macos-13

Author: toor1245

.github/workflows/amd64_macos_bazel.yml

@@ -1,3 +1,4 @@
+# ref: https://github.com/actions/runner-images
 name: amd64 MacOS Bazel
 
 on:
@@ -10,7 +11,7 @@ on:
 jobs:
   # Building using the github runner environement directly.
   bazel:
-    runs-on: macos-latest
+    runs-on: macos-13 # Using x86 processors, ref: https://github.com/actions/runner-images
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3

.github/workflows/amd64_macos_cmake.yml

@@ -1,3 +1,4 @@
+# ref: https://github.com/actions/runner-images
 name: amd64 MacOS CMake
 
 on:
@@ -10,7 +11,7 @@ on:
 jobs:
   # Building using the github runner environement directly.
   xcode:
-    runs-on: macos-latest
+    runs-on: macos-13 # Using x86 processors, ref: https://github.com/actions/runner-images
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
@@ -26,7 +27,7 @@ jobs:
     - name: Install
       run: cmake --build build --config Release --target install -v
   make:
-    runs-on: macos-latest
+    runs-on: macos-13 # Using x86 processors, ref: https://github.com/actions/runner-images
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps: