By running `make update-all-go-deps`.
`hashicorp/consul/api` must be held at v1.32.1 because later versions
require Go 1.25 and we choose to ensure that Promethes builds with the
last two versions of Go.
Also: fix compilation errors in remote-write example.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>