deps(deps): update golang docker tag to v1.26.6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

fleetconfig-controller/build/Dockerfile.base

@@ -3,7 +3,7 @@
 ARG OS
 ARG ARCH
 
-ARG GO_BASE_IMAGE=golang:1.26.4-alpine3.23
+ARG GO_BASE_IMAGE=golang:1.26.6-alpine3.23
 ARG PYTHON_BASE_IMAGE=python:3.14-alpine
 ARG DISTROLESS_IMAGE=gcr.io/distroless/static:nonroot
 

fleetconfig-controller/build/Dockerfile.devspace

@@ -2,7 +2,7 @@ ARG OS
 ARG ARCH
 ARG PROVIDER
 
-ARG GO_BASE_IMAGE=golang:1.26.4-alpine3.23
+ARG GO_BASE_IMAGE=golang:1.26.6-alpine3.23
 
 # Build the manager binary
 FROM ${GO_BASE_IMAGE} AS builder

fleetconfig-controller/build/Dockerfile.eks

@@ -3,7 +3,7 @@
 ARG OS
 ARG ARCH
 
-ARG GO_BASE_IMAGE=golang:1.26.4-alpine3.23
+ARG GO_BASE_IMAGE=golang:1.26.6-alpine3.23
 ARG PYTHON_BASE_IMAGE=python:3.14-alpine
 ARG DISTROLESS_IMAGE=gcr.io/distroless/static:nonroot
 

fleetconfig-controller/build/Dockerfile.gke

@@ -3,7 +3,7 @@
 ARG OS
 ARG ARCH
 
-ARG GO_BASE_IMAGE=golang:1.26.4-alpine3.23
+ARG GO_BASE_IMAGE=golang:1.26.6-alpine3.23
 ARG PYTHON_BASE_IMAGE=python:3.14-alpine
 
 ## Stage 1: Build the manager binary