Fix typo in Gitlab::Changelog::Release

* Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/351520
* Sentry error:
https://sentry.gitlab.net/gitlab/gitlabcom/issues/3187674

Changelog: fixed

lib/gitlab/changelog/release.rb

@@ -67,7 +67,7 @@ module Gitlab
         markdown =
           begin
             @config.template.evaluate(state, data).strip
-          rescue TemplateParser::ParseError => e
+          rescue TemplateParser::Error => e
             raise Error, e.message
           end
 

spec/lib/gitlab/changelog/release_spec.rb

@@ -139,6 +139,16 @@ RSpec.describe Gitlab::Changelog::Release do
         OUT
       end
     end
+
+    context 'when template parser raises an error' do
+      before do
+        allow(config).to receive(:template).and_raise(Gitlab::TemplateParser::Error)
+      end
+
+      it 'raises a Changelog error' do
+        expect { release.to_markdown }.to raise_error(Gitlab::Changelog::Error)
+      end
+    end
   end
 
   describe '#header_start_position' do