chore(deps): bump library/golang in /test/container (#17865)

Bumps library/golang from `7d0dcbe` to `81811f8`.

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

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

test/container/Dockerfile

@@ -8,7 +8,7 @@ RUN ln -s /usr/lib/$(uname -m)-linux-gnu /usr/lib/linux-gnu
 # Please make sure to also check the contained yarn version and update the references below when upgrading this image's version
 FROM docker.io/library/node:21.7.3@sha256:162d92c5f1467ad877bf6d8a098d9b04d7303879017a2f3644bfb1de1fc88ff0 as node
 
-FROM docker.io/library/golang:1.21.9@sha256:7d0dcbe5807b1ad7272a598fbf9d7af15b5e2bed4fd6c4c2b5b3684df0b317dd as golang
+FROM docker.io/library/golang:1.21.9@sha256:81811f8a883e238666dbadee6928ae2902243a3cd3f3e860f21c102543c6b5a7 as golang
 
 FROM docker.io/library/registry:2.8@sha256:fb9c9aef62af3955f6014613456551c92e88a67dcf1fc51f5f91bcbd1832813f as registry