Bump alpine from 3.18 to 3.19

Bumps alpine from 3.18 to 3.19.

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

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -10,10 +10,10 @@ ADD . /go/yosoy
 RUN go env -w GOPROXY=direct
 RUN cd /go/yosoy && go build
 
-FROM alpine:3.18
+FROM alpine:3.19
 COPY --from=builder /go/yosoy/yosoy /bin
 
 # register entrypoint
 ENTRYPOINT ["yosoy"]
 
-EXPOSE 8080
+EXPOSE 80

server.go

@@ -188,5 +188,5 @@ func main() {
 	proxyRouter := handlers.ProxyHeaders(loggingRouter)
 	recoveryRouter := handlers.RecoveryHandler()(proxyRouter)
 
-	http.ListenAndServe(":8080", recoveryRouter)
+	http.ListenAndServe(":80", recoveryRouter)
 }