dev-lang/go: Update dev-lang/go to v1.20.3.

BUG=b/278627330,b/278136734,b/278627283
TEST=presubmit
RELEASE_NOTE=Updated dev-lang/go to v1.20.3. This resolves CVE-2023-24536, CVE-2023-24537, CVE-2023-24538.

Change-Id: I9ec39c1dd0122cf7e2b886da20e75154ef9e0923
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/46847
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
4 files changed