build(deps): bump cloud.google.com/go/compute from 1.10.0 to 1.19.3

Bumps [cloud.google.com/go/compute](https://github.com/googleapis/google-cloud-go) from 1.10.0 to 1.19.3.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/documentai/CHANGES.md)
- [Commits](https://github.com/googleapis/google-cloud-go/compare/kms/v1.10.0...compute/v1.19.3)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/compute
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Migrated to the new version by following
https://github.com/googleapis/google-cloud-go/blob/main/migration.md

Co-authored-by: Tomáš Hozza <thozza@redhat.com>
Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Tomáš Hozza <thozza@redhat.com>

vendor/github.com/google/s2a-go/CONTRIBUTING.md

@@ -0,0 +1,29 @@
+# How to Contribute
+
+We'd love to accept your patches and contributions to this project. There are
+just a few small guidelines you need to follow.
+
+## Contributor License Agreement
+
+Contributions to this project must be accompanied by a Contributor License
+Agreement (CLA). You (or your employer) retain the copyright to your
+contribution; this simply gives us permission to use and redistribute your
+contributions as part of the project. Head over to
+<https://cla.developers.google.com/> to see your current agreements on file or
+to sign a new one.
+
+You generally only need to submit a CLA once, so if you've already submitted one
+(even if it was for a different project), you probably don't need to do it
+again.
+
+## Code reviews
+
+All submissions, including submissions by project members, require review. We
+use GitHub pull requests for this purpose. Consult
+[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
+information on using pull requests.
+
+## Community Guidelines
+
+This project follows
+[Google's Open Source Community Guidelines](https://opensource.google/conduct/).