fix: update ruby to 3.0.5 and docker to alpine3.15

.ruby-version

@@ -1 +1 @@
-3.0.4
+3.0.5

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.0.4'
+ruby '3.0.5'
 
 ##-- base gems for rails --##
 gem 'rack-cors', require: 'rack/cors'

Gemfile.lock

@@ -805,7 +805,7 @@ DEPENDENCIES
   working_hours
 
 RUBY VERSION
-   ruby 3.0.4p208
+   ruby 3.0.5p211
 
 BUNDLED WITH
-   2.3.16
+   2.3.26

docker/Dockerfile

@@ -1,5 +1,5 @@
 # pre-build stage
-FROM ruby:3.0.4-alpine AS pre-builder
+FROM ruby:3.0.5-alpine AS pre-builder
 
 # ARG default to production settings
 # For development docker-compose file overrides ARGS
@@ -65,7 +65,7 @@ RUN rm -rf /gems/ruby/3.0.0/cache/*.gem \
   && find /gems/ruby/3.0.0/gems/ \( -name "*.c" -o -name "*.o" \) -delete
 
 # final build stage
-FROM ruby:3.0.4-alpine
+FROM ruby:3.0.5-alpine
 
 ARG BUNDLE_WITHOUT="development:test"
 ENV BUNDLE_WITHOUT ${BUNDLE_WITHOUT}