build: update cibuildwheel to v3.1.4, remove python 3.8 support

Update list of skipped python builds, skip 3.14 as it is still
pre-release.

Author: jgriffiths

.github/workflows/wheels.yml

@@ -42,9 +42,9 @@ jobs:
           platforms: arm64
 
       - name: Build Wheels
-        uses: pypa/cibuildwheel@v2.16.5
+        uses: pypa/cibuildwheel@v3.1.4
         env:
-          CIBW_SKIP: "cp3{5..7}-* cp3{6..12}-win32* cp3{6..12}-musllinux_aarch64* pp*"
+          CIBW_SKIP: "cp38* cp314* *-win32 *-musllinux_aarch64 pp* gp* cp3??t-*"
           CIBW_ARCHS_LINUX: "x86_64 aarch64"
           CIBW_ARCHS_MACOS: "x86_64 arm64 universal2"