Apply suggestions from code review

Author: jablko

src/pr-info.ts

@@ -414,18 +414,12 @@ function makeJsonCheckerFromCore(requiredForm: any, ignoredKeys: string[]) {
         const newDiff = diffFromReq(contents);
         if (typeof newDiff === "string") return newDiff;
         if (newDiff.length === 0) return undefined;
-        if (!oldText) return `not the required form
-\`\`\`JSON
-${JSON.stringify(newDiff)}
-\`\`\``;
+        if (!oldText) return `not the required form \`${JSON.stringify(newDiff)}\``;
         const oldDiff = diffFromReq(oldText);
         if (typeof oldDiff === "string") return oldDiff;
         const notRemove = jsonDiff.compare(oldDiff, newDiff).filter(({ op }) => op !== "remove");
         if (notRemove.length === 0) return undefined;
-        return `not the required form and not moving towards it
-\`\`\`JSON
-${JSON.stringify(notRemove.map(({ path }) => newDiff[Number(path.slice(1))]))}
-\`\`\``;
+        return `not the required form and not moving towards it \`${JSON.stringify(notRemove.map(({ path }) => newDiff[Number(path.slice(1))]))}\``;
     };
 }