Make HTTP/gRPC callout IDs unique per WasmVM instance.

[PiotrSikora]

Fixes #185.

Signed-off-by: Piotr Sikora [email protected]

[mathetake]

Run go get -u github.com/google/addlicense
  go get -u github.com/google/addlicense
  export PATH=$PATH:$(go env GOPATH)/bin
  addlicense -check .
  shell: /usr/bin/bash -e {0}
package io/fs: unrecognized import path "io/fs": import path does not begin with hostname
Error: Process completed with exit code 1.

I imagine addlicense introduced new dependency which uses a new API of Go stdlib, which is not available in the default Go version on Ubuntu VM. maybe we should ping the version of addlicense?

[mathetake]

LGTM for the change

[PiotrSikora]

I imagine addlicense introduced new dependency which uses a new API of Go stdlib, which is not available in the default Go version on Ubuntu VM. maybe we should ping the version of addlicense?

Yeah, I'm already working on that, although ubuntu-latest should have Go 1.16.6, so it's a bit bizzare.