Fix syntax error in Gemfile introduced by a patch

debian/patches/0110-make-test-dependencies-conditional.patch

@@ -1,14 +1,15 @@
 --- a/Gemfile
 +++ b/Gemfile
-@@ -330,6 +330,7 @@
+@@ -329,7 +329,7 @@
+   gem 'raindrops', '~> 0.18'
  end
  
- group :development, :test do
+-group :development, :test do
 +if ENV["INCLUDE_TEST_DEPENDS"] == "true"
    gem 'pry-byebug', '~> 3.5', platform: :mri
    gem 'pry-rails', '~> 0.3.9'
  
-@@ -361,9 +362,6 @@
+@@ -361,9 +361,6 @@
    gem 'png_quantizator', '~> 0.2.1', require: false
  
    gem 'parallel', '~> 1.19', require: false

debian/patches/0486-relax-grpc-protobuf.patch

@@ -1,6 +1,6 @@
 --- a/Gemfile
 +++ b/Gemfile
-@@ -412,9 +412,9 @@
+@@ -411,9 +411,9 @@
  # Gitaly GRPC protocol definitions
  gem 'gitaly', '~> 1.86'