Update golang Docker tag to v1.20.3

renovate[bot] · web-flow · commit f5951d781a31 · 2023-04-17T13:44:51.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.3
+FROM golang:1.20.3
 
 ARG TOAD_VERSION=0.2.4
 
