Bump golang from 688ad7f to cbee5d2 in /internal/witness/cmd/feed…

…er (#1308)

Bumps golang from `688ad7f` to `cbee5d2`.

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

internal/witness/cmd/feeder/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.21.6-bookworm@sha256:688ad7f282ce711cc28676531f45d5b840790e28a689fbd4e8e4ac181e23e9c4 as builder
+FROM golang:1.21.6-bookworm@sha256:cbee5d27649be9e3a48d4d152838901c65d7f8e803f4cc46b53699dd215b555f as builder
 
 ARG GOFLAGS=""
 ENV GOFLAGS=$GOFLAGS