Bump proformaxml from 1.0.0 to 1.2.0

Bumps [proformaxml](https://github.com/openHPI/proformaxml) from 1.0.0 to 1.2.0.
- [Release notes](https://github.com/openHPI/proformaxml/releases)
- [Commits](https://github.com/openHPI/proformaxml/compare/v1.0.0...v1.2.0)

---
updated-dependencies:
- dependency-name: proformaxml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -32,7 +32,7 @@ gem 'net-smtp', require: false
 gem 'nokogiri'
 gem 'pagedown-bootstrap-rails'
 gem 'pg'
-gem 'proformaxml', '1.0.0'
+gem 'proformaxml', '~> 1.2.0'
 gem 'prometheus_exporter'
 gem 'puma'
 gem 'pundit'

Gemfile.lock

@@ -130,7 +130,7 @@ GEM
     crack (0.4.5)
       rexml
     crass (1.0.6)
-    dachsfisch (0.1.1)
+    dachsfisch (1.0.0)
       nokogiri (>= 1.14.1, < 2.0.0)
     database_cleaner (2.0.2)
       database_cleaner-active_record (>= 2, < 3)
@@ -290,10 +290,10 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.4)
-    proformaxml (1.0.0)
+    proformaxml (1.2.0)
       activemodel (>= 5.2.3, < 8.0.0)
       activesupport (>= 5.2.3, < 8.0.0)
-      dachsfisch (>= 0.1.0, < 1.0.0)
+      dachsfisch (~> 1.0.0)
       nokogiri (>= 1.10.2, < 2.0.0)
       rubyzip (>= 1.2.2, < 3.0.0)
     prometheus_exporter (2.0.8)
@@ -595,7 +595,7 @@ DEPENDENCIES
   nokogiri
   pagedown-bootstrap-rails
   pg
-  proformaxml (= 1.0.0)
+  proformaxml (~> 1.2.0)
   prometheus_exporter
   pry-byebug
   pry-rails