Update bors config

Add armv build check to bors.
Update build and test names due to matix configuration changes.

bors.toml

@@ -1,10 +1,11 @@
 status = [
     "static_analysis",
-    "build (x86_64-unknown-linux-gnu)",
-    "build (x86_64-apple-darwin)",
-    "build (x86_64-pc-windows-msvc)",
-    "test (x86_64-unknown-linux-gnu)",
-    "test (x86_64-apple-darwin)",
+    "build (x86_64-unknown-linux-gnu, ubuntu-latest)",
+    "build (armv7-unknown-linux-gnueabihf, ubuntu-latest)",
+    "build (x86_64-apple-darwin, macos-latest)",
+    "build (x86_64-pc-windows-msvc, windows-latest)",
+    "test (x86_64-unknown-linux-gnu, ubuntu-latest)",
+    "test (x86_64-apple-darwin, macos-latest)",
     "docker_tests (happy_path)",
     "docker_tests (happy_path_restart_bob_before_comm)",
     "docker_tests (bob_refunds_using_cancel_and_refund_command)",