Modify CI workflow for Julia version updates (#8)

Updated CI workflow to use newer Julia versions and actions.

Author: nhz2

.github/workflows/CI.yml

@@ -16,24 +16,18 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - 'lts'
+          - '1.10'
           - '1'
+          - 'pre'
           - 'nightly'
         os:
           - ubuntu-latest
           - windows-latest
-          - macOS-13
+          - macOS-latest
         arch:
-          - x64
-        include:
-          - os: macOS-14
-            version: '1.10'
-            arch: aarch64
-          - os: macOS-14
-            version: '1.11'
-            arch: aarch64
+          - 'default'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}