Update documentation, changelog and other files [skip ci]

Author: juanpedromoreno

AUTHORS.md

@@ -9,6 +9,7 @@
 The maintainers of the project are:
 
 - [![47erbot](https://avatars1.githubusercontent.com/u/24799081?v=4&s=20) **47erbot**](https://github.com/47erbot)
+- [![alejandrohdezma](https://avatars0.githubusercontent.com/u/9027541?v=4&s=20) **Alejandro Hernández (alejandrohdezma)**](https://github.com/alejandrohdezma)
 - [![angoglez](https://avatars0.githubusercontent.com/u/10107285?v=4&s=20) **Ana Gómez González (angoglez)**](https://github.com/angoglez)
 - [![BenFradet](https://avatars2.githubusercontent.com/u/1737211?v=4&s=20) **Ben Fradet (BenFradet)**](https://github.com/BenFradet)
 - [![dominv](https://avatars1.githubusercontent.com/u/3943031?v=4&s=20) **Domingo Valera (dominv)**](https://github.com/dominv)
@@ -33,5 +34,6 @@ These are the people that have contributed to the _exercises-fpinscala_ project:
 - [![jkmcclellan](https://avatars3.githubusercontent.com/u/52432856?v=4&s=20) **jkmcclellan**](https://github.com/jkmcclellan)
 - [![pdo400](https://avatars1.githubusercontent.com/u/1780993?v=4&s=20) **pdo400**](https://github.com/pdo400)
 - [![sergey-lagutin](https://avatars3.githubusercontent.com/u/11209668?v=4&s=20) **sergey-lagutin**](https://github.com/sergey-lagutin)
+- [![alejandrohdezma](https://avatars0.githubusercontent.com/u/9027541?v=4&s=20) **alejandrohdezma**](https://github.com/alejandrohdezma)
 - [![floating-cat](https://avatars0.githubusercontent.com/u/6748077?v=4&s=20) **floating-cat**](https://github.com/floating-cat)
 - [![slashdev1](https://avatars1.githubusercontent.com/u/50917204?v=4&s=20) **slashdev1**](https://github.com/slashdev1)

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## [v0.6.5](https://github.com/scala-exercises/exercises-fpinscala/tree/v0.6.5) (2020-08-10)
+
+[Full Changelog](https://github.com/scala-exercises/exercises-fpinscala/compare/v0.6.4...v0.6.5)
+
+📈 **Dependency updates**
+
+- Update sbt-mdoc to 2.2.4 [\#109](https://github.com/scala-exercises/exercises-fpinscala/pull/109) ([47erbot](https://github.com/47erbot))
+- Update scalacheck-1-14 to 3.2.1.0 [\#108](https://github.com/scala-exercises/exercises-fpinscala/pull/108) ([47erbot](https://github.com/47erbot))
+- Update scalatest to 3.2.1 [\#107](https://github.com/scala-exercises/exercises-fpinscala/pull/107) ([47erbot](https://github.com/47erbot))
+- Update sbt-scalafmt to 2.4.2 [\#106](https://github.com/scala-exercises/exercises-fpinscala/pull/106) ([47erbot](https://github.com/47erbot))
+- Update scalafmt-core to 2.6.4 [\#105](https://github.com/scala-exercises/exercises-fpinscala/pull/105) ([47erbot](https://github.com/47erbot))
+- Update scalafmt-core to 2.6.3 [\#104](https://github.com/scala-exercises/exercises-fpinscala/pull/104) ([scala-steward](https://github.com/scala-steward))
+- Update scalafmt-core to 2.6.2 [\#103](https://github.com/scala-exercises/exercises-fpinscala/pull/103) ([scala-steward](https://github.com/scala-steward))
+
 ## [v0.6.4](https://github.com/scala-exercises/exercises-fpinscala/tree/v0.6.4) (2020-06-30)
 
 [Full Changelog](https://github.com/scala-exercises/exercises-fpinscala/compare/v0.6.3...v0.6.4)

CODE_OF_CONDUCT.md

@@ -11,7 +11,7 @@ appearance, body size, race, ethnicity, age, religion, nationality, or
 other such characteristics.
 
 Everyone is expected to follow the
-[Scala Code of Conduct](https://typelevel.org/code-of-conduct.html) when
+[Scala Code of Conduct](https://www.scala-lang.org/conduct/) when
 discussing the project on the available communication channels. If you
 are being harassed, please contact us immediately so that we can
 support you.