chore(deps): update golang docker tag to v1.21.4

renovate[bot] · web-flow · commit 5b9771256896 · 2023-11-07T23:36:59.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.5 as builder
+FROM golang:1.21.4 as builder
 
 WORKDIR /go/src
 
