Merge v2.0 into v2.x (#1700)

Author: mongodb-php-bot

.evergreen/config/test-task-groups.yml

@@ -8,6 +8,9 @@ task_groups:
       - func: "locate PHP binaries"
       - func: "fetch extension"
       - func: "install composer"
+      - command: ec2.assume_role
+        params:
+          role_arn: ${aws_test_secrets_role}
       - command: subprocess.exec
         params:
           working_dir: src

.evergreen/config/test-tasks.yml

@@ -27,6 +27,9 @@ tasks:
 
   - name: "test-atlas-data-lake"
     commands:
+      - command: ec2.assume_role
+        params:
+          role_arn: ${aws_test_secrets_role}
       - func: "bootstrap mongohoused"
       - func: "run atlas data lake test"