Merge Renovate: deps: Update dependency rqrcode to v3

Gemfile

@@ -16,7 +16,7 @@ gem 'pg',              '~> 1.5'
 gem 'sequel',          '~> 5.86'
 gem 'prawn',           '~> 2.5'
 gem 'prawn-table',     '~> 0.2'
-gem 'rqrcode',         '~> 2.2'
+gem 'rqrcode',         '~> 3.0'
 gem 'chunky_png',      '~> 1.4'
 gem 'aws-sdk-s3',      '~> 1.170'
 # aws-sdk-core needs an XML parser; rexml stopped being a default gem in

Gemfile.lock

@@ -100,10 +100,10 @@ GEM
     rerun (0.14.0)
       listen (~> 3.0)
     rexml (3.4.4)
-    rqrcode (2.2.0)
+    rqrcode (3.2.0)
       chunky_png (~> 1.0)
-      rqrcode_core (~> 1.0)
-    rqrcode_core (1.2.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.1.0)
     sequel (5.110.0)
       bigdecimal
     sinatra (4.2.1)
@@ -156,7 +156,7 @@ DEPENDENCIES
   rake (~> 13.2)
   rerun (~> 0.14)
   rexml (~> 3.4)
-  rqrcode (~> 2.2)
+  rqrcode (~> 3.0)
   sequel (~> 5.86)
   sinatra (~> 4.2)
   sinatra-contrib (~> 4.2)