ci: add armv7l manylinux/musllinux wheels

Author: ifduyue

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04]
-        archs: ["x86_64, i686", "aarch64", "ppc64le", "s390x", "riscv64"]
+        archs: ["x86_64, i686", "aarch64", "ppc64le", "s390x", "riscv64", "armv7l"]
         build: ["manylinux", "musllinux"]
         platform: ["auto"]
         include: