Yamato update

Author: Chman

.yamato/upm-ci.yml

@@ -4,7 +4,7 @@ test_platforms:
   - name: win
     type: Unity::VM
     image: package-ci/win10:stable
-    flavor: m1.large
+    flavor: b1.large
   - name: mac
     type: Unity::VM::osx
     image: buildfarm/mac:stable
@@ -15,7 +15,7 @@ pack:
   agent:
     type: Unity::VM
     image: package-ci/win10:stable
-    flavor: m1.large
+    flavor: b1.large
   commands:
     - npm install upm-ci-utils@stable -g --registry https://api.bintray.com/npm/unity/unity-npm
     - upm-ci package pack
@@ -76,7 +76,7 @@ publish:
   agent:
     type: Unity::VM
     image: package-ci/win10:stable
-    flavor: m1.large
+    flavor: b1.large
   commands:
     - npm install upm-ci-utils@stable -g --registry https://api.bintray.com/npm/unity/unity-npm
     - upm-ci package publish