Update golang Docker tag to v1.24.6 (#1111)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | golang  | 1.24.5 | 1.24.6 |

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

Author: renovate[bot]

build/Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.17
-FROM golang:1.24.5 AS builder
+FROM golang:1.24.6 AS builder
 ARG VERSION
 ARG TARGETARCH