Prepare 1.8.0 release (#573)

Author: nvasilevski

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    maintenance_tasks (1.7.0)
+    maintenance_tasks (1.8.0)
       actionpack (>= 6.0)
       activejob (>= 6.0)
       activerecord (>= 6.0)
@@ -101,7 +101,7 @@ GEM
     i18n (1.8.11)
       concurrent-ruby (~> 1.0)
     io-wait (0.2.1)
-    job-iteration (1.3.4)
+    job-iteration (1.3.5)
       activejob (>= 5.2)
     loofah (2.13.0)
       crass (~> 1.0.2)

maintenance_tasks.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name = "maintenance_tasks"
-  spec.version = "1.7.0"
+  spec.version = "1.8.0"
   spec.author = "Shopify Engineering"
   spec.email = "[email protected]"
   spec.homepage = "https://github.com/Shopify/maintenance_tasks"