Upgrade deprecated runtime nodejs10.x (#62)

Author: chriscoombs

src/cfn/template.yaml

@@ -771,7 +771,7 @@ Resources:
     Type: AWS::Serverless::Function
     Properties:
       FunctionName: !Sub RekogDemoSetup${CollectionId}
-      Runtime: nodejs10.x
+      Runtime: nodejs14.x
       Handler: index.handler
       CodeUri: ../backend/functions/setup/
       Description: !Sub Custom Lambda resource for the ${CollectionId} Cloudformation Stack