Update alpine Docker tag to v3.14.2

Dockerfile

@@ -22,15 +22,15 @@ COPY internal /crie/internal
 COPY pkg /crie/pkg
 RUN --mount=type=cache,target=/root/.cache/go-build go build ./cmd/crie
 
-FROM alpine:3.13.0 as clang_layer
+FROM alpine:3.14.2 as clang_layer
 RUN apk --no-cache add clang
 
 # ~~~           ~~~ ~~~~~~~~~~~~~~~~~ ~~~           ~~~
 # ~~~~~~~~~~~~~~~~~ ~~~ TOP LAYER ~~~ ~~~~~~~~~~~~~~~~~
 # ~~~           ~~~ ~~~~~~~~~~~~~~~~~ ~~~           ~~~
 
 # Alpine :ok_hand:
-FROM alpine:3.13.0
+FROM alpine:3.14.2
 RUN apk --no-cache add git wget ca-certificates \
     && update-ca-certificates