Update golang:1.26.4-alpine Docker digest to 6630a48 (main) (#10153)

Update golang:1.26.4-alpine Docker digest to 6630a48

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

@@ -17,7 +17,7 @@ ARG UBI10_PACKAGES_IMAGE=ghcr.io/nginx/dependencies/nginx-ubi:ubi10@sha256:928cf
 
 
 ############################################# External dependency images #############################################
-FROM golang:1.26.4-alpine@sha256:ed8beaceb16cf83f8f130949176af09ed623b392394eaa5bba3aa0d2af9c9130 AS golang-builder
+FROM golang:1.26.4-alpine@sha256:6630a480f7cbbe2d8430d3dc78a62b5edd954b0751b687bc6b0e42268be764f7 AS golang-builder
 FROM ghcr.io/nginx/alpine-fips:0.5.0-alpine3.22@sha256:f907d7541ab03453fd7d630dc0fb8d9a819717ea52a7956fe1f45b9833051177 AS alpine-fips-3.22
 FROM ${UBI10_PACKAGES_IMAGE} AS ubi10-packages
 FROM redhat/ubi10-minimal:10.2-1779773684@sha256:9e1f2911e73fbb2e68df1a3bb95870f53a71d4a136e780dda8f735680f6c1bb9 AS ubi-minimal