Update cocoapod version and msal sdk version to 1.1.3, add platform specification

Author: kaisong1990

Podfile.lock

@@ -1,7 +1,7 @@
 PODS:
-  - MSAL (1.1.2):
-    - MSAL/app-lib (= 1.1.2)
-  - MSAL/app-lib (1.1.2)
+  - MSAL (1.1.3):
+    - MSAL/app-lib (= 1.1.3)
+  - MSAL/app-lib (1.1.3)
 
 DEPENDENCIES:
   - MSAL
@@ -11,8 +11,8 @@ SPEC REPOS:
     - MSAL
 
 SPEC CHECKSUMS:
-  MSAL: d62d5af3b89f9753be6d157035629bbd851e4d15
+  MSAL: 0539cb503a2a279365181bf111071b4b32071177
 
-PODFILE CHECKSUM: 27b86088d6269d05d5a779778e844591cd997e42
+PODFILE CHECKSUM: 37c6710cfa48c2a9cbf83d25acbf301323d86266
 
 COCOAPODS: 1.9.1

podfile

@@ -1,4 +1,6 @@
 use_frameworks!
+
+platform :ios, '10.0'
 
 target 'MSALiOS' do
   pod 'MSAL'