Bump to crystal 1.12.1 (#96)

* Bump to crystal 1.12.1

* Bump ameba and fix violations

* Bump to v9

* Regenerate docs

* Mark release 9.0.0

* Make fail fast work again

See crystal-lang/crystal#14170 for the upstream
change that broke it

Author: hanneskaeufler

.circleci/config.yml

@@ -3,10 +3,10 @@ version: 2
 jobs:
   test-crystal: &test-template
     docker:
-      - image: crystallang/crystal:1.6.1
+      - image: crystallang/crystal:1.12.1
     steps:
       - checkout
-  test-crystal-1.6.1:
+  test-crystal-1.12.1:
     <<: *test-template
     steps:
       - checkout
@@ -29,7 +29,7 @@ workflows:
   version: 2
   ci:
     jobs:
-      - test-crystal-1.6.1
+      - test-crystal-1.12.1
   nightly:
     triggers:
       - schedule:
@@ -38,4 +38,4 @@ workflows:
             branches:
               only: master
     jobs:
-      - test-crystal-1.6.1
+      - test-crystal-1.12.1

CHANGELOG.md

@@ -5,9 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [9.0.0] - 2024-05-20
 
-- Support for crystal `1.5.0`. Resolves warnings.
+- Support for crystal `1.12.1`. Resolves warnings.
 
 ## [8.0.1] - 2022-04-10