chore: update issue template

Thanks to Alipoodle for writing this question.

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -12,11 +12,13 @@ body:
         required: true
       - label: I have searched the [issue tracker](https://github.com/th-ch/youtube-music/issues) for a bug report that matches the one I want to file, without success.
         required: true
+      - label: I understand that **th-ch/youtube-music has NO affiliation with Google or YouTube**
+        required: true
 - type: input
   attributes:
     label: YouTube Music (Application) Version
     description: |
-      What version of YouTube Music Application are you using?
+      What version of the YouTube Music Application are you using?
 
       Note: Please check if this issue is reproducible with the latest stable release.
     placeholder: 2.0.0
@@ -36,7 +38,7 @@ body:
 - type: input
   attributes:
     label: Operating System Version
-    description: What operating system version are you using? On Windows, click Start button > Settings > System > About. On macOS, click the Apple Menu > About This Mac. On Linux, use lsb_release or uname -a.
+    description: What operating system version are you using? On Windows, click the Start button > Settings > System > About. On macOS, click the Apple Menu > About This Mac. On Linux, use lsb_release or uname -a.
     placeholder: "e.g. Windows 10 version 1909, macOS Catalina 10.15.7, or Ubuntu 20.04"
   validations:
     required: true