Merge pull request #1 from ajilach/renovate/alpine-3.x

Update alpine Docker tag to v3.20.2

Dockerfile

@@ -1,5 +1,5 @@
 # Container image that runs your code
-FROM alpine:3.13.2
+FROM alpine:3.20.2
 RUN apk add --no-cache bash
 
 # Copies your code file from your action repository to the filesystem path `/` of the container