updated to use command instead of shell

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index d307428..49c8466 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -23,9 +23,9 @@
 - block:
 
   - name: Install Apigee Setup
-    shell: '{{ apigee_service }} apigee-setup install'
+    command: '{{ apigee_service }} apigee-setup install'
 
   - name: Install Apigee Admin
-    shell: '{{ apigee_service }} apigee-adminapi install'
+    command: '{{ apigee_service }} apigee-adminapi install'
 
   when: opdk_version | version_compare('4.16', '>=')