Adjust repository settings (#2119)

Adjusted the repository settings to adhere more strictly to Apache
policies.

Author: jrgemignani

.asf.yaml

@@ -47,28 +47,28 @@ github:
   protected_branches:
     master:
       required_pull_request_reviews:
-        required_approving_review_count: 1
- 
+        required_approving_review_count: 2
+
     PG16:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2
 
     PG15:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2
 
     PG14:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2
 
     PG13:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2
 
     PG12:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2
 
     PG11:
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 2