chore(release): version 2.9.1 [skip ci]

## [2.9.1](terraform-aws-modules/terraform-aws-cloudfront@v2.9.0...v2.9.1) (2021-11-22)

### Bug Fixes

* update CI/CD process to enable auto-release workflow ([terraform-aws-modules#59](terraform-aws-modules#59)) ([507c1ba](terraform-aws-modules@507c1ba))

2021-11-09T10:12:05Z

6bd9538 Updated CHANGELOG
b1f90d3 feat: Added support for response headers policy (terraform-aws-modules#57)

2021-10-12T19:24:35Z

f17690d Updated CHANGELOG
eac2977 feat: Add support for additional CloudFront metrics (terraform-aws-modules#54)
403a11a docs: Add TLSv1.1 and TLSv1.2 for origin_ssl_protocols in examples (terraform-aws-modules#51)

2021-08-13T18:19:44Z

9fbf9e4 Updated CHANGELOG
09398da feat: Added support for connection_attempts, connection_timeout, and origin_shield (terraform-aws-modules#47)

2021-06-28T13:58:21Z

fe694c7 Updated CHANGELOG
e6543a9 feat: Add support of realtime_log_config_arn (no creation) (terraform-aws-modules#31)

2021-05-28T16:54:38Z

c661757 Updated CHANGELOG
32faee5 feat: Support for CloudFront Functions (terraform-aws-modules#41)

2021-05-07T15:05:08Z

e016f5d Updated CHANGELOG
529c791 fix: Use empty list for headers by default instead of null (terraform-aws-modules#39)

2021-05-05T17:28:02Z

e61808b Updated CHANGELOG
bc141e0 fix: Use empty origin_path by default (terraform-aws-modules#38)
8d30085 chore: update CI/CD to use stable `terraform-docs` release artifact and discoverable Apache2.0 license (terraform-aws-modules#36)

2021-04-30T15:19:23Z

89767b0 Updated CHANGELOG
c0dc504 feat: Adding support for trusted_key_groups in ordered_cache_behavior (terraform-aws-modules#35)

2021-04-27T16:15:48Z

5bd8de2 Updated CHANGELOG
f80a90e feat: added support of trusted_key_groups (terraform-aws-modules#33)