Update the envVars section name to envs

Author: rh-max

modules/serverless-build-func-kn.adoc

@@ -19,7 +19,7 @@ trigger: http
 builder: default
 builderMap:
   default: quay.io/boson/faas-nodejs-builder
-envVars: {}
+envs: {}
 ----
 
 If the image name and registry are not set in the `func.yaml` file, you must either specify the registry flag, `-r` when using the `kn func build` command, or you are prompted to provide a registry value in the terminal when building a function. An image name is then derived from the registry value that you have provided.

modules/serverless-create-func-kn.adoc

@@ -23,7 +23,7 @@ trigger: http
 builder: default
 builderMap:
   default: quay.io/boson/faas-nodejs-builder
-envVars: {}
+envs: {}
 ----
 
 .Procedure