updated become user for upgrade

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 9f32bfc..cc6eb16 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -20,23 +20,22 @@
     msg: "Admin password must be provided"
   when: opdk_user_pass is not defined
 
-- block:
-  - name: Create apigee-validate.conf file
-    template:
-      src: apigee-validate.conf.j2
-      dest: '{{ apigee_validate_config_file }}'
-      owner: '{{ opdk_user_name }}'
-      group: '{{ opdk_group_name }}'
-      mode: 0644
+- name: Create apigee-validate.conf file
+  become: true
+  template:
+    src: apigee-validate.conf.j2
+    dest: '{{ apigee_validate_config_file }}'
+    owner: '{{ opdk_user_name }}'
+    group: '{{ opdk_group_name }}'
+    mode: 0644
 
-  - name: Validate OPDK Installation
-    expect:
-      command: '{{ apigee_service }} apigee-validate setup -f {{ apigee_validate_config_file }}'
-      responses:
-        '(?i)Press a key:': '\n'
-    when: opdk_version | version_compare('4.16.09', '<')
+- name: Validate OPDK Installation
+  expect:
+    command: '{{ apigee_service }} apigee-validate setup -f {{ apigee_validate_config_file }}'
+    responses:
+      '(?i)Press a key:': '\n'
+  when: opdk_version | version_compare('4.16.09', '<')
 
-  - name: Validate OPDK Installation
-    shell: '{{ apigee_service }} apigee-validate setup -f {{ apigee_validate_config_file }}'
+- name: Validate OPDK Installation
+  shell: '{{ apigee_service }} apigee-validate setup -f {{ apigee_validate_config_file }}'
 
-  become: yes