chore(deps): Bump up OPA with upstream fixes

[simar7]

Description

Until a release happens (unclear when), we can cherry pick the commit that will include our changes upstream.

Changes desired

• open-policy-agent/opa@7cd3fec
• open-policy-agent/opa@76f7038

Checklist

• I've read the guidelines for contributing to this repository.
• I've followed the conventions in the PR title.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).

[nikpivkin]

@simar7 containerd uses github.com/containerd/errdefs v0.1.0 containerd/containerd#10478

We can wait for an update, but the issue was created back in July, or replace the version replace github.com/containerd/errdefs => github.com/containerd/errdefs v0.1.0