chore: release 0.66.0 (#2784)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
diff --git a/CHANGES.md b/CHANGES.md
index eff3b8a..b60914f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,32 @@
 # Changes
 
+## [0.66.0](https://www.github.com/googleapis/google-cloud-go/compare/v0.65.0...v0.66.0) (2020-09-15)
+
+
+### Features
+
+* **all:** auto-regenerate gapics , refs [#2849](https://www.github.com/googleapis/google-cloud-go/issues/2849) [#2843](https://www.github.com/googleapis/google-cloud-go/issues/2843) [#2841](https://www.github.com/googleapis/google-cloud-go/issues/2841) [#2819](https://www.github.com/googleapis/google-cloud-go/issues/2819) [#2816](https://www.github.com/googleapis/google-cloud-go/issues/2816) [#2809](https://www.github.com/googleapis/google-cloud-go/issues/2809) [#2801](https://www.github.com/googleapis/google-cloud-go/issues/2801) [#2795](https://www.github.com/googleapis/google-cloud-go/issues/2795) [#2791](https://www.github.com/googleapis/google-cloud-go/issues/2791) [#2788](https://www.github.com/googleapis/google-cloud-go/issues/2788) [#2781](https://www.github.com/googleapis/google-cloud-go/issues/2781)
+* **analytics/data:** start generating apiv1alpha ([#2796](https://www.github.com/googleapis/google-cloud-go/issues/2796)) ([e93132c](https://www.github.com/googleapis/google-cloud-go/commit/e93132c77725de3c80c34d566df269eabfcfde93))
+* **area120/tables:** start generating apiv1alpha1 ([#2807](https://www.github.com/googleapis/google-cloud-go/issues/2807)) ([9e5a4d0](https://www.github.com/googleapis/google-cloud-go/commit/9e5a4d0dee0d83be0c020797a2f579d9e42ef521))
+* **cloudbuild:** Start generating apiv1/v3 ([#2830](https://www.github.com/googleapis/google-cloud-go/issues/2830)) ([358a536](https://www.github.com/googleapis/google-cloud-go/commit/358a5368da64cf4868551652e852ceb453504f64))
+* **godocfx:** create Go DocFX YAML generator ([#2854](https://www.github.com/googleapis/google-cloud-go/issues/2854)) ([37c70ac](https://www.github.com/googleapis/google-cloud-go/commit/37c70acd91768567106ff3b2b130835998d974c5))
+* **security/privateca:** start generating apiv1beta1 ([#2806](https://www.github.com/googleapis/google-cloud-go/issues/2806)) ([f985141](https://www.github.com/googleapis/google-cloud-go/commit/f9851412183989dc69733a7e61ad39a9378cd893))
+* **video/transcoder:** start generating apiv1beta1 ([#2797](https://www.github.com/googleapis/google-cloud-go/issues/2797)) ([390dda8](https://www.github.com/googleapis/google-cloud-go/commit/390dda8ff2c526e325e434ad0aec778b7aa97ea4))
+* **workflows:** start generating apiv1beta ([#2799](https://www.github.com/googleapis/google-cloud-go/issues/2799)) ([0e39665](https://www.github.com/googleapis/google-cloud-go/commit/0e39665ccb788caec800e2887d433ca6e0cf9901))
+* **workflows/executions:** start generating apiv1beta ([#2800](https://www.github.com/googleapis/google-cloud-go/issues/2800)) ([7eaa0d1](https://www.github.com/googleapis/google-cloud-go/commit/7eaa0d184c6a2141d8bf4514b3fd20715b50a580))
+
+
+### Bug Fixes
+
+* **internal/kokoro:** install the right version of docuploader ([#2861](https://www.github.com/googleapis/google-cloud-go/issues/2861)) ([d8489c1](https://www.github.com/googleapis/google-cloud-go/commit/d8489c141b8b02e83d6426f4baebd3658ae11639))
+* **internal/kokoro:** remove extra dash in doc tarball ([#2862](https://www.github.com/googleapis/google-cloud-go/issues/2862)) ([690ddcc](https://www.github.com/googleapis/google-cloud-go/commit/690ddccc5202b5a70f1afa5c518dca37b6a0861c))
+* **profiler:** do not collect disabled profile types ([#2836](https://www.github.com/googleapis/google-cloud-go/issues/2836)) ([faeb498](https://www.github.com/googleapis/google-cloud-go/commit/faeb4985bf6afdcddba4553efa874642bf7f08ed)), refs [#2835](https://www.github.com/googleapis/google-cloud-go/issues/2835)
+
+
+### Reverts
+
+* **cloudbuild): "feat(cloudbuild:** Start generating apiv1/v3" ([#2840](https://www.github.com/googleapis/google-cloud-go/issues/2840)) ([3aaf755](https://www.github.com/googleapis/google-cloud-go/commit/3aaf755476dfea1700986fc086f53fc1ab756557))
+
 ## [0.65.0](https://www.github.com/googleapis/google-cloud-go/compare/v0.64.0...v0.65.0) (2020-08-27)