chore(operator): Bump golang builder to 1.21.9

Author: periklis

operator/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.21.7 as builder
+FROM golang:1.21.9 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests

operator/Dockerfile.cross

@@ -1,6 +1,6 @@
 ARG BUILD_IMAGE=grafana/loki-build-image:0.33.1
 
-FROM golang:1.21.7-alpine as goenv
+FROM golang:1.21.9-alpine as goenv
 RUN go env GOARCH > /goarch && \
   go env GOARM > /goarm
 

operator/calculator.Dockerfile

@@ -1,5 +1,5 @@
 # Build the calculator binary
-FROM golang:1.21.7 as builder
+FROM golang:1.21.9 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests