merge with custom istio annotations

[sp0cket]

Description

Merge with custom istio user volume mount.

Context

Checklist:

• [x] I included a concise, user-facing changelog (for details, see https://github.com/solo-io/go-utils/tree/master/changelogutils) which references the issue that is resolved.
• [x] If I updated APIs (our protos) or helm values, I ran make install-deps generated-code from tools/wasme/cli to ensure there will be no code diff
• [x] I followed guidelines laid out in the Gloo contribution guide
• [x] I opened a draft PR or added the work in progress label if my PR is not ready for review
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] I have added tests that prove my fix is effective or that my feature works

[solo-build-bot[bot]]

Waiting for approval from someone in the solo-io org to start testing.

[Sodman]

Hi @sp0cket, the changes look good. There's a merge conflict on tools/wasme/cli/pkg/deploy/istio/istio_provider_test.go with master, preventing the tests running & the PR merge - once you resolve that we should be good to get this PR merged!