Update dependency image_optim_pack to v0.12.0

Author: renovate[bot]

Gemfile.lock

@@ -33,7 +33,7 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.9.1)
-    exifr (1.4.0)
+    exifr (1.4.1)
     ffi (1.15.5)
     fspath (3.1.2)
     highline (3.1.2)
@@ -43,16 +43,16 @@ GEM
       nokogiri (>= 1.4)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    image_optim (0.31.3)
+    image_optim (0.31.4)
       exifr (~> 1.2, >= 1.2.2)
       fspath (~> 3.0)
       image_size (>= 1.5, < 4)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    image_optim_pack (0.10.1)
+    image_optim_pack (0.12.0)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
-    image_size (3.3.0)
+    image_size (3.4.0)
     in_threads (1.6.0)
     io-console (0.8.0)
     logger (1.6.2)