Update issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,9 +1,8 @@
----
 name: Bug report
-about: Create a report to help Termix improve
+description: Create a report to help Termix improve
 title: "[BUG]"
-labels: bug
-assignees: ""
+labels: [bug]
+assignees: []
 body:
   - type: input
     id: title

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: GitHub Community Support
-    url: https://github.com/community
-    about: Please ask and answer questions here.
-  - name: GitHub Security
-    url: https://github.com/security
-    about: Please report security vulnerabilities here.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,9 +1,8 @@
----
 name: Feature request
-about: Suggest an idea for Termix
+description: Suggest an idea for Termix
 title: "[FEATURE]"
-labels: enhancement
-assignees: ""
+labels: [enhancement]
+assignees: []
 body:
   - type: input
     id: title