chore(container): update golang:1.24.3-alpine docker digest to b4f875e (#35823)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| golang | stage | digest | `ef18ee7` -> `b4f875e` |

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containers/apps/kube-sa-proxy/Dockerfile

@@ -1,5 +1,5 @@
 # Stage 1 - Build the Go application
-FROM golang:1.24.3-alpine@sha256:ef18ee7117463ac1055f5a370ed18b8750f01589f13ea0b48642f5792b234044 AS builder
+FROM golang:1.24.3-alpine@sha256:b4f875e650466fa0fe62c6fd3f02517a392123eea85f1d7e69d85f780e4db1c1 AS builder
 
 # Install necessary build dependencies
 RUN apk --no-cache add --update gcc musl-dev