Remove 1.11, Intel Macs, and most 32 bit jobs from CI

Should not be necessary to test them specifically.

Author: JamesWrigley

.github/workflows/ci.yml

@@ -26,32 +26,26 @@ jobs:
       matrix:
         version:
           - '1.10'
-          - '1.11'
-          - '1.12'
+          - '1'
           - 'nightly'
         os:
           - ubuntu-latest
           - windows-latest
-          - macos-15-intel # Intel
           - macos-latest # Apple Silicon
         julia-wordsize:
           # The value here only affects the version of Julia binary that we download.
           # It does not affect the architecture of the GitHub Runner (virtual machine) that
           # we run on.
-          - '32' # 32-bit Julia. Only available on x86_64. Not available on aarch64.
           - '64' # 64-bit Julia.
         exclude:
           # Killing workers doesn't work on Windows in Julia 1.10:
           # (It does work on 1.11+)
           - os: windows-latest
             version: '1.10'
-          # We don't have 32-bit builds of Julia for Intel macOS:
-          - os: macos-15-intel # Intel
-            julia-wordsize: '32'
-          #
-          # We don't have 32-bit builds of Julia for Apple Silicon macOS:
-          - os: macos-latest # Apple Silicon
+        include:
+          - os: ubuntu-latest
             julia-wordsize: '32'
+            version: '1'
 
     steps:
       - uses: actions/checkout@v6