chore(deps): update docker.io/library/golang:1.26.2 docker digest to 5f3787b

Signed-off-by: renovate[bot] <bot@renovateapp.com>

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 # Copyright Authors of Cilium
 # SPDX-License-Identifier: Apache-2.0
 
-ARG GOLANG_IMAGE=docker.io/library/golang:1.26.2@sha256:2a2b4b5791cea8ae09caecba7bad0bd9631def96e5fe362e4a5e67009fe4ae61
+ARG GOLANG_IMAGE=docker.io/library/golang:1.26.2@sha256:5f3787b7f902c07c7ec4f3aa91a301a3eda8133aa32661a3b3a3a86ab3a68a36
 # BUILDPLATFORM is an automatic platform ARG enabled by Docker BuildKit.
 # Represents the plataform where the build is happening, do not mix with
 # TARGETARCH