Update pry-byebug to 3.9.0

I wanted to use pry because since 0.13.0 it reads pryrc from
$XDG_CONFIG_HOME.

https://github.com/pry/pry/blob/master/CHANGELOG.md#v0130-march-21-2020

Gemfile

@@ -328,7 +328,7 @@ gem 'snowplow-tracker', '~> 0.6.1'
 
 # Metrics
 group :metrics do
-  gem 'method_source', '~> 0.8', require: false
+  gem 'method_source', '~> 1.0', require: false
 
   # Prometheus
   gem 'prometheus-client-mmap', '~> 0.11.0'
@@ -351,7 +351,7 @@ end
 
 group :development, :test do
   gem 'bullet', '~> 6.1.0'
-  gem 'pry-byebug', '~> 3.5.1', platform: :mri
+  gem 'pry-byebug', '~> 3.9.0', platform: :mri
   gem 'pry-rails', '~> 0.3.9'
 
   gem 'awesome_print', require: false

Gemfile.lock

@@ -151,7 +151,7 @@ GEM
     bundler-audit (0.6.1)
       bundler (>= 1.2.0, < 3)
       thor (~> 0.18)
-    byebug (9.1.0)
+    byebug (11.1.3)
     capybara (3.33.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -177,7 +177,7 @@ GEM
       cork
       nap
       open4 (~> 1.3)
-    coderay (1.1.2)
+    coderay (1.1.3)
     colored2 (3.1.2)
     commonmarker (0.20.1)
       ruby-enum (~> 0.5)
@@ -676,7 +676,7 @@ GEM
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     memory_profiler (0.9.14)
-    method_source (0.9.2)
+    method_source (1.0.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
@@ -832,12 +832,12 @@ GEM
       unparser
     procto (0.0.3)
     prometheus-client-mmap (0.11.0)
-    pry (0.11.3)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    pry-byebug (3.5.1)
-      byebug (~> 9.1)
-      pry (~> 0.10)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-byebug (3.9.0)
+      byebug (~> 11.0)
+      pry (~> 0.13.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.3)
@@ -1360,7 +1360,7 @@ DEPENDENCIES
   mail (= 2.7.1)
   marginalia (~> 1.9.0)
   memory_profiler (~> 0.9)
-  method_source (~> 0.8)
+  method_source (~> 1.0)
   mimemagic (~> 0.3.2)
   mini_magick
   minitest (~> 5.11.0)
@@ -1397,7 +1397,7 @@ DEPENDENCIES
   png_quantizator (~> 0.2.1)
   premailer-rails (~> 1.10.3)
   prometheus-client-mmap (~> 0.11.0)
-  pry-byebug (~> 3.5.1)
+  pry-byebug (~> 3.9.0)
   pry-rails (~> 0.3.9)
   rack (~> 2.0.9)
   rack-attack (~> 6.3.0)