Improve GitReleaseManager aliases.

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
-    - name: Gitter Community Chat
-      url: https://gitter.im/GitTools/GitVersion
-      about: Please ask and answer questions here.
+- name: Ask for help or share ideas
+  url: https://github.com/GitTools/GitVersion/discussions/new/choose
+  about: Ask the community for help or share ideas for new features.

GitReleaseManager.yml

@@ -1,16 +1,31 @@
 issue-labels-include:
-- Breaking change
-- Feature
-- Bug
-- Improvement
-- Documentation
-- Dependencies
+- breaking change
+- bug
+- dependencies
+- documentation
+- feature
+- improvement
 issue-labels-exclude:
-- Build
+- build
 issue-labels-alias:
-- name:    Documentation
+- name:    breaking change
+  header:  Breaking change
+  plural:  Breaking changes
+- name:    bug
+  header:  Bug
+  plural:  Bugs
+- name:    dependencies
+  header:  Dependencies
+  plural:  Dependencies
+- name:    documentation
   header:  Documentation
   plural:  Documentation
+- name:    feature
+  header:  Features
+  plural:  Features
+- name:    improvement
+  header:  Improvements
+  plural:  Improvements
 create:
   include-sha-section: true
   sha-section-heading: "SHA256 Hashes of the release artifacts"