Bump redis dependency to 5.4

Gemfile.lock

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    redis-single-file (0.1.3)
-      redis (~> 5.3.0)
-      redis-clustering (~> 5.3.0)
+    redis-single-file (0.1.4)
+      redis (~> 5.4)
+      redis-clustering (~> 5.4)
 
 GEM
   remote: https://rubygems.org/
@@ -29,14 +29,14 @@ GEM
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)
-    redis (5.3.0)
+    redis (5.4.1)
       redis-client (>= 0.22.0)
     redis-client (0.23.2)
       connection_pool
     redis-cluster-client (0.13.3)
       redis-client (~> 0.22)
-    redis-clustering (5.3.0)
-      redis (= 5.3.0)
+    redis-clustering (5.4.1)
+      redis (= 5.4.1)
       redis-cluster-client (>= 0.10.0)
     regexp_parser (2.10.0)
     rspec (3.13.0)

lib/redis_single_file/semaphore.rb

@@ -32,6 +32,12 @@ module RedisSingleFile
   #      # synchronized logic defined here...
   #   end
   #
+  # @example Support concurrent worker processing
+  #   semaphore = RedisSingleFile::Semaphore.new(name: :concurrent_queue)
+  #   semaphore.synchronize(concurrency: 3) do
+  #     # synchronized logic defined here...
+  #   end
+  #
   # @example Use your own redis client instance
   #   redis = Redis.new(...)
   #   semaphore = RedisSingleFile::Semaphore.new(redis:)
@@ -61,6 +67,12 @@ class Semaphore
     #   than globally configured. Passing a value for this attribute will
     #   redirect to that port.
     #
+    # @note concurrency:
+    #   When a distributed lock needs to allow multiple executions at once,
+    #   concurrency can be used. When this settings is set to more than the
+    #   default value of 1, the queue will allow that many simultaneous slots
+    #   in the distributed queue.
+    #
     # @return [self] semaphore instance
     def initialize(
       redis: nil,               # provide your own redis instance

lib/redis_single_file/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RedisSingleFile
-  VERSION = '0.1.3'
+  VERSION = '0.1.4'
 end

redis-single-file.gemspec

@@ -41,8 +41,8 @@ Gem::Specification.new do |spec|
   # spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
 
   # Redis Single File Dependencies
-  spec.add_dependency 'redis', '~> 5.3.0'
-  spec.add_dependency 'redis-clustering', '~> 5.3.0'
+  spec.add_dependency 'redis', '~> 5.4'
+  spec.add_dependency 'redis-clustering', '~> 5.4'
 
   # Disable MFA Requirement - github publishing can't support
   spec.metadata['rubygems_mfa_required'] = 'false'