chore(deps): bump github.com/coreos/go-oidc/v3 from 3.1.0 to 3.4.0 (#383)

Bumps [github.com/coreos/go-oidc/v3](https://github.com/coreos/go-oidc) from 3.1.0 to 3.4.0.
- [Release notes](https://github.com/coreos/go-oidc/releases)
- [Commits](https://github.com/coreos/go-oidc/compare/v3.1.0...v3.4.0)

---
updated-dependencies:
- dependency-name: github.com/coreos/go-oidc/v3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/gopkg.in/square/go-jose.v2/.travis.yml

@@ -8,8 +8,8 @@ matrix:
     - go: tip
 
 go:
-- '1.11.x'
-- '1.12.x'
+- '1.14.x'
+- '1.15.x'
 - tip
 
 go_import_path: gopkg.in/square/go-jose.v2