Update gems, drop i18n gem and implement basic replacement

Gemfile.lock

@@ -3,17 +3,17 @@ GEM
   specs:
     base64 (0.3.0)
     concurrent-ruby (1.3.5)
+    cri (2.15.12)
     cyberarm_engine (0.24.5)
       gosu (~> 1.1)
     digest-crc (0.7.0)
       rake (>= 12.0.0, < 14.0.0)
     event_emitter (0.2.6)
-    excon (1.3.0)
+    excon (1.3.2)
       logger
-    ffi (1.17.2-x64-mingw-ucrt)
-    ffi (1.17.2-x86_64-linux-gnu)
-    ffi-win32-extensions (1.0.4)
-      ffi
+    ffi (1.17.0)
+    ffi-win32-extensions (1.1.0)
+      ffi (>= 1.15.5, <= 1.17.0)
     fiddle (1.1.8)
     gosu (1.4.6)
     i18n (1.14.7)
@@ -23,9 +23,16 @@ GEM
       fiddle
     logger (1.7.0)
     mutex_m (0.3.0)
-    rake (13.3.0)
+    ocran (1.3.17)
+      fiddle (~> 1.0)
+    rake (13.3.1)
+    releasy (0.2.4)
+      bundler (>= 1.2.1)
+      cri (~> 2.15.0)
+      ocran (~> 1.3.0)
+      rake (>= 0.9.2.2)
     rexml (3.4.4)
-    rubyzip (3.1.1)
+    rubyzip (3.2.2)
     sdl2-bindings (0.2.3)
       ffi (~> 1.15)
     websocket (1.2.11)
@@ -42,16 +49,19 @@ GEM
 
 PLATFORMS
   x64-mingw-ucrt
-  x86_64-linux
 
 DEPENDENCIES
   base64
+  bundler (~> 2.4.3)
   cyberarm_engine
   digest-crc
   excon
   i18n
   ircparser
   libui
+  ocran
+  rake
+  releasy
   rexml
   rubyzip
   sdl2-bindings
@@ -60,4 +70,4 @@ DEPENDENCIES
   win32-security
 
 BUNDLED WITH
-   2.6.8
+   2.4.22