Specify full name for bors builds (#287)

.github/workflows/merge.yml

@@ -3,7 +3,6 @@ name: Merge (with bors)
 on:
   push:
     branches:
-      - main
       - staging
       - trying
     tags-ignore:

bors.toml

@@ -1,7 +1,19 @@
-status = ["Test on %"]
-use_squash_merge = true
 delete_merged_branches = true
 update_base_for_deletes = true
+use_squash_merge = true
+
+status = [
+	"Test on macos with Rust stable",
+	"Test on ubuntu with Rust stable",
+	"Test on windows with Rust stable",
+	"Test on macos with Rust 1.58.0",
+	"Test on ubuntu with Rust 1.58.0",
+	"Test on windows with Rust 1.58.0",
+]
 
 # Disabled until https://github.com/bors-ng/bors-ng/issues/1434 is fixed
-#pr_status = ["PR check on %"]
+#pr_status = [
+#	"Check on macos",
+#	"Check on ubuntu",
+#	"Check on windows",
+#]