Bump alpine from 3.20.2 to 3.20.3

Bumps alpine from 3.20.2 to 3.20.3.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -14,7 +14,7 @@ RUN CGO_ENABLED=0 \
   go build -v -o ntwrk
 
 # Copy compiled binary to clear Alpine Linux image
-FROM alpine:3.20.2
+FROM alpine:3.20.3
 WORKDIR /
 RUN apk add --no-cache ca-certificates
 COPY --from=builder /go/src/github.com/mxssl/ntwrk/ntwrk /ntwrk