update proforma to newest version, add dachsfisch dependency

Gemfile

@@ -6,6 +6,7 @@ gem 'bcrypt'
 gem 'bootstrap-will_paginate'
 gem 'carrierwave'
 gem 'charlock_holmes', require: 'charlock_holmes/string'
+gem 'dachsfisch', github: 'openHPI/dachsfisch'
 gem 'docker-api', require: 'docker'
 gem 'eventmachine'
 gem 'factory_bot_rails'
@@ -30,7 +31,7 @@ gem 'net-smtp', require: false
 gem 'nokogiri'
 gem 'pagedown-bootstrap-rails'
 gem 'pg'
-gem 'proforma', github: 'openHPI/proforma', tag: 'v0.8'
+gem 'proforma', github: 'openHPI/proforma', tag: 'v0.9'
 gem 'prometheus_exporter'
 gem 'puma'
 gem 'pundit'

Gemfile.lock

@@ -1,9 +1,16 @@
+GIT
+  remote: https://github.com/openHPI/dachsfisch.git
+  revision: 79983095747d9adac02bb7a495a624a0136aa859
+  specs:
+    dachsfisch (0.1.0)
+      nokogiri (>= 1.14.1, < 1.16.0)
+
 GIT
   remote: https://github.com/openHPI/proforma.git
-  revision: d8bf59938f7605e7e01f0650b67b0ca564e7907b
-  tag: v0.8
+  revision: 86627fa0b4ab265f06d7a4fdc0349ba201302dc8
+  tag: v0.9
   specs:
-    proforma (0.8.0)
+    proforma (0.9.0)
       activemodel (>= 5.2.3, < 8.0.0)
       activesupport (>= 5.2.3, < 8.0.0)
       nokogiri (>= 1.10.2, < 2.0.0)
@@ -540,6 +547,7 @@ DEPENDENCIES
   capybara
   carrierwave
   charlock_holmes
+  dachsfisch!
   database_cleaner
   docker-api
   eventmachine