Revert "bump ruby version (#311)"

This reverts commit 219bc97.

Author: lislis

.github/workflows/ci.yml

@@ -2,10 +2,10 @@ name: CI
 'on':
   push:
     branches:
-      - main
+      - master
   pull_request:
     branches:
-      - main
+      - master
 jobs:
   test_rails:
     runs-on: ubuntu-latest
@@ -29,7 +29,7 @@ jobs:
         ports: ['5432:5432']
     strategy:
       matrix:
-        ruby-version: ['3.1.2']
+        ruby-version: ['3.0.4']
     steps:
       - uses: actions/checkout@v2
       - name: Install PostgreSQL client

.ruby-version

@@ -1 +1 @@
-3.1.2
+3.0.4

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '3.1.2'
+ruby '3.0.4'
 
 gem 'addressable', '~> 2.4'
 gem 'bootsnap', '>= 1.4.4', require: false
@@ -14,7 +14,6 @@ gem 'exception_notification'
 gem 'fog-aws', '~> 3.14'
 gem 'geocoder'
 gem 'jbuilder', '~> 2.7'
-gem 'net-smtp', require: false
 gem 'mini_magick', '~> 4.8'
 gem 'pg'
 gem 'puma', '~> 5.0'

Gemfile.lock

@@ -106,7 +106,6 @@ GEM
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
     diff-lcs (1.5.0)
-    digest (3.1.0)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
       dotenv (= 2.8.1)
@@ -169,12 +168,6 @@ GEM
     minitest (5.16.2)
     msgpack (1.5.4)
     multi_json (1.15.0)
-    net-protocol (0.1.3)
-      timeout
-    net-smtp (0.3.1)
-      digest
-      net-protocol
-      timeout
     nio4r (2.5.8)
     nokogiri (1.13.8)
       mini_portile2 (~> 2.8.0)
@@ -276,7 +269,6 @@ GEM
     stringio (3.0.2)
     thor (1.2.1)
     tilt (2.0.11)
-    timeout (0.3.0)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
@@ -323,7 +315,6 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.3)
   mini_magick (~> 4.8)
-  net-smtp
   pg
   puma (~> 5.0)
   rack-mini-profiler (~> 2.0)
@@ -341,7 +332,7 @@ DEPENDENCIES
   webpacker (~> 5.4.3)
 
 RUBY VERSION
-   ruby 3.1.2p20
+   ruby 3.0.4p208
 
 BUNDLED WITH
    2.2.33