Update to 12.20.0

Author: mhart

README.md

@@ -32,10 +32,10 @@ Select your `lambda.zip` as the "Function code" and make the handler "index.hand
 Then click on Layers and choose "Add a layer", and "Provide a layer version ARN" and enter the following ARN:
 
 ```
-arn:aws:lambda:us-east-1:553035198032:layer:nodejs12:36
+arn:aws:lambda:us-east-1:553035198032:layer:nodejs12:37
 ```
 
-Or [use this link](https://console.aws.amazon.com/lambda/home?region=us-east-1#/connect/layer?layer=arn:aws:lambda:us-east-1:553035198032:layer:nodejs12:36)
+Or [use this link](https://console.aws.amazon.com/lambda/home?region=us-east-1#/connect/layer?layer=arn:aws:lambda:us-east-1:553035198032:layer:nodejs12:37)
 and pick your function from the "Function name" auto-suggest.
 
 ![Add a layer](https://raw.githubusercontent.com/lambci/node-custom-lambda/master/img/layer.png "Add a layer screenshot")
@@ -49,12 +49,13 @@ Then save your lambda and test it with a test event!
 | Node.js version | ARN |
 | --- | --- |
 | 10.23.0 | `arn:aws:lambda:<region>:553035198032:layer:nodejs10:27` |
-| 12.19.1 | `arn:aws:lambda:<region>:553035198032:layer:nodejs12:36` |
+| 12.20.0 | `arn:aws:lambda:<region>:553035198032:layer:nodejs12:37` |
 
 ## Previous Version ARNs
 
 | Node.js version | ARN |
 | --- | --- |
+| 12.19.1 | `arn:aws:lambda:<region>:553035198032:layer:nodejs12:36` |
 | 12.19.0 | `arn:aws:lambda:<region>:553035198032:layer:nodejs12:35` |
 | 10.22.1 | `arn:aws:lambda:<region>:553035198032:layer:nodejs10:26` |
 | 12.18.4 | `arn:aws:lambda:<region>:553035198032:layer:nodejs12:34` |

v12.x/config.sh

@@ -1,2 +1,2 @@
 export LAYER_NAME=nodejs12
-export NODE_VERSION=12.19.1
+export NODE_VERSION=12.20.0