BLD: Add Python 3.11 wheels to aarch64 build

.travis.yml

@@ -45,45 +45,65 @@ jobs:
        - ATLAS=None
 
     # Wheel builders
+    # Note that Ubuntu focal comes with Python 3.8 and CIBW_BUILD determines
+    # the Python used to build the wheels.
     - python: "3.8"
       os: linux
       arch: arm64
       virt: vm
       env:
         - CIBW_BUILD: cp38-manylinux_aarch64
-      install: python3 -m pip install cibuildwheel==2.4.0
+        - EXPECT_CPU_FEATURES: "NEON NEON_FP16 NEON_VFPV4 ASIMD ASIMDHP ASIMDDP ASIMDFHM"
+      install: python3 -m pip install cibuildwheel==2.9.0
       script: |
         cibuildwheel --output-dir wheelhouse
         source ./tools/wheels/upload_wheels.sh
         set_travis_vars
         set_upload_vars
         upload_wheels # Will be skipped if not a push/tag/scheduled build
-    - python: "3.9"
+
+    - python: "3.8"
       os: linux
       arch: arm64
       virt: vm
       env:
         - CIBW_BUILD: cp39-manylinux_aarch64
-      install: python3 -m pip install cibuildwheel==2.4.0
+      install: python3 -m pip install cibuildwheel==2.9.0
       script: |
         cibuildwheel --output-dir wheelhouse
         source ./tools/wheels/upload_wheels.sh
         set_travis_vars
         set_upload_vars
         upload_wheels # Will be skipped if not a push/tag/scheduled build
-    - python: "3.10"
+
+    - python: "3.8"
       os: linux
       arch: arm64
       virt: vm
       env:
         - CIBW_BUILD: cp310-manylinux_aarch64
-      install: python3 -m pip install cibuildwheel==2.4.0
+      install: python3 -m pip install cibuildwheel==2.9.0
       script: |
         cibuildwheel --output-dir wheelhouse
         source ./tools/wheels/upload_wheels.sh
         set_travis_vars
         set_upload_vars
         upload_wheels # Will be skipped if not a push/tag/scheduled build
+
+    - python: "3.8"
+      os: linux
+      arch: arm64
+      virt: vm
+      env:
+        - CIBW_BUILD: cp311-manylinux_aarch64
+      install: python3 -m pip install cibuildwheel==2.9.0
+      script: |
+        cibuildwheel --output-dir wheelhouse
+        source ./tools/wheels/upload_wheels.sh
+        set_travis_vars
+        set_upload_vars
+        upload_wheels # Will be skipped if not a push/tag/scheduled build
+
 before_install:
   - ./tools/travis-before-install.sh