Update Build_wheels_for_cpython27_armhf.yml

Author: sergey-dryabzhinsky

.github/workflows/Build_wheels_for_cpython27_armhf.yml

@@ -20,7 +20,7 @@ jobs:
             arch: armhf
             tag_arch: armhf
             release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
+            mirror: http://ports.ubuntu.com/ubuntu
             version: 1.5.6.3
             pyver: "2.7"
             getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py