Update GitHub Actions, run the macOS job on aarch64

.github/workflows/CI.yml

@@ -30,11 +30,11 @@ jobs:
             arch: x64
             version: '1.13'
           - os: macOS-latest
-            arch: x64
+            arch: aarch64
             version: '1.13'
     steps:
-      - uses: actions/checkout@v6
-      - uses: julia-actions/setup-julia@v2
+      - uses: actions/checkout@v7
+      - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
@@ -65,7 +65,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v7
         with:
           files: lcov.info
 

CHANGELOG.md

@@ -10,6 +10,9 @@
   residual evaluations of the solver, which made simulations sensitive to tiny numerical
   differences (e.g. between Julia versions). The state of the speed controller of the
   `TorqueControlledMachine` is still updated on every call
+#### Changed
+- CI uses `actions/checkout@v7`, `julia-actions/setup-julia@v3` and `codecov/codecov-action@v7`;
+  the macOS job runs natively on `aarch64` (setup-julia v3 refuses `x64` on Apple Silicon runners)
 
 ### WinchModels v0.3.11 - 2026-09-26
 #### Changed