add the coverprofile for clients not using tparse as well

Author: GrantBirki

script/test

@@ -4,7 +4,7 @@ set -e
 
 # if the tparse binary is not found, don't use it
 if ! command -v tparse &> /dev/null; then
-  go test -v -cover ./...
+  go test -v -cover -coverprofile=coverage.out ./...
 else
   set -o pipefail && go test -cover -coverprofile=coverage.out -json ./... | tparse -smallscreen -all -trimpath github.com/github/
 fi