chore: bump golang from eaf1267 to 31a8f92 in /docker

Bumps golang from `eaf1267` to `31a8f92`.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

docker/Dockerfile

@@ -14,7 +14,7 @@
 
 ARG BASEIMAGE=registry.k8s.io/build-image/debian-base:bullseye-v1.4.3
 
-FROM golang:1.20@sha256:eaf12671a7ac51fd23786109c19bd0150c8f894e2672024faac3d14ed43911f9 as builder
+FROM golang:1.20@sha256:31a8f92b17829b3ccddf0add184f18203acfd79ccc1bcb5c43803ab1c4836cca as builder
 WORKDIR /go/src/sigs.k8s.io/secrets-store-csi-driver
 ADD . .
 ARG TARGETARCH