Bump discourse_image_optim which uses a global timeout.

Our previous solution has the timeout set at the worker level
which means the total timeout would be X timeout secs * N number of
workers.

Gemfile

@@ -60,7 +60,7 @@ gem 'unf', require: false
 
 gem 'email_reply_trimmer', '~> 0.1'
 
-# Forked until https://github.com/toy/image_optim/pull/149 is merged
+# Forked until https://github.com/toy/image_optim/pull/162 is merged
 gem 'discourse_image_optim', require: 'image_optim'
 gem 'multi_json'
 gem 'mustache'

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
     crass (1.0.4)
     debug_inspector (0.0.3)
     diff-lcs (1.3)
-    discourse_image_optim (0.26.1)
+    discourse_image_optim (0.26.2)
       exifr (~> 1.2, >= 1.2.2)
       fspath (~> 3.0)
       image_size (~> 1.5)

lib/upload_creator.rb

@@ -253,7 +253,7 @@ class UploadCreator
     OptimizedImage.ensure_safe_paths!(@file.path)
     FileHelper.optimize_image!(@file.path)
     extract_image_info!
-  rescue ImageOptim::Worker::TimeoutExceeded
+  rescue ImageOptim::TimeoutExceeded
     Rails.logger.warn("ImageOptim timed out while optimizing #{@filename}")
   end