Upgrade gRPC in anticipation of upgrading OTel, which raises the
lower limit.
As gRPC upgrades have been known to cause issues, this is being
done pre-emptively. Additionally, it ensures we avoid v1.58.2,
which has a known CVE, but would otherwise be chosen by MVS from
`go mod`.
Signed-off-by: Milas Bowman <milas.bowman@docker.com>