refactor: refactor entrypoint and binary for AWS Lambda integration

- Change the label schema name to "AWS Lambda Plugin"
- Replace the SSH binary with the Lambda binary
- Change the entrypoint to the Lambda binary

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

docker/Dockerfile

@@ -4,13 +4,13 @@ ARG TARGETOS
 ARG TARGETARCH
 
 LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
-  org.label-schema.name="SSH Plugin" \
+  org.label-schema.name="AWS Lambda Plugin" \
   org.label-schema.vendor="Bo-Yi Wu" \
   org.label-schema.schema-version="1.0"
 
 RUN apk add --no-cache ca-certificates && \
   rm -rf /var/cache/apk/*
 
-COPY release/${TARGETOS}/${TARGETARCH}/drone-ssh /bin/
+COPY release/${TARGETOS}/${TARGETARCH}/drone-lambda /bin/
 
-ENTRYPOINT ["/bin/drone-ssh"]
+ENTRYPOINT ["/bin/drone-lambda"]