Update to Go 1.20

mochizuki875 · mochizuki875 · commit ec695060f429 · 2023-02-24T17:08:55.000+09:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.17 as builder
+FROM golang:1.20 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests and all third-party libraries that are unlikely to change frequently
