Update i18n-tasks from 0.9.20 to 0.9.24.

Gemfile.lock

@@ -83,9 +83,6 @@ GEM
     dotenv-rails (2.5.0)
       dotenv (= 2.5.0)
       railties (>= 3.2, < 6.0)
-    easy_translate (0.5.1)
-      thread
-      thread_safe
     erubi (1.7.1)
     execjs (2.7.0)
     factory_bot (4.8.2)
@@ -108,15 +105,14 @@ GEM
     highline (2.0.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    i18n-tasks (0.9.20)
+    i18n-tasks (0.9.24)
       activesupport (>= 4.0.2)
       ast (>= 2.1.0)
-      easy_translate (>= 0.5.1)
       erubi
-      highline (>= 1.7.3)
+      highline (>= 2.0.0)
       i18n
       parser (>= 2.2.3.0)
-      rainbow (~> 2.2)
+      rainbow (>= 2.2.2, < 4.0)
       terminal-table (>= 1.5.1)
     jquery-rails (4.3.3)
       rails-dom-testing (>= 1, < 3)
@@ -149,7 +145,7 @@ GEM
     multipart-post (2.0.0)
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
-    parser (2.5.0.0)
+    parser (2.5.1.2)
       ast (~> 2.4.0)
     pg (0.21.0)
     poltergeist (1.17.0)
@@ -180,8 +176,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rainbow (2.2.2)
-      rake
+    rainbow (3.0.0)
     raindrops (0.19.0)
     rake (12.3.1)
     rb-fsevent (0.10.3)
@@ -232,15 +227,14 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.20.0)
-    thread (0.2.2)
     thread_safe (0.3.6)
     tilt (2.0.8)
     timecop (0.9.1)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (4.1.6)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.3.0)
+    unicode-display_width (1.4.0)
     unicorn (5.4.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)