Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.14.0 to 0.15.0.
- [Commits](golang/crypto@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Add jwe.WithCEK

* Allow using a static CEK via EncryptStatic

* appease linter

* Update go.sum

* Docs

* Update generated options

* Add test

* Delete signer instance upon call to jws.UnregisterSigner

* Update Changes

* Bump golang.org/x/crypto from 0.15.0 to 0.16.0

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.15.0 to 0.16.0.
- [Commits](golang/crypto@v0.15.0...v0.16.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Run bazel and tidy

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Daisuke Maki <lestrrat+github@gmail.com>