Merge pull request #3393 from martin-frbg/azurealpine

Update Alpine version used in Azure CI

azure-pipelines.yml

@@ -206,8 +206,9 @@ jobs:
      vmImage: 'ubuntu-latest'
   steps:
   - script: |
-        wget 'https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.9.0/alpine-chroot-install' \
-          && echo 'e5dfbbdc0c4b3363b99334510976c86bfa6cb251  alpine-chroot-install' | sha1sum -c || exit 1
+        wget https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.13.1/alpine-chroot-install \
+         && echo '7c7e3fa378e69aecc7f5f01bbc759e5f0a9d9b74  alpine-chroot-install' | sha1sum -c \
+         || exit 1
         alpine() { /alpine/enter-chroot -u "$USER" "$@"; }
         sudo sh alpine-chroot-install -p 'build-base gfortran perl linux-headers sudo'
         alpine make DYNAMIC_ARCH=1 BINARY=64