Update issue templates to OBS Background Removal (#717)

Renamed references from 'Live Background Removal Lite' to 'OBS Background Removal' in bug report and feature request templates for consistency with the current project name.

Author: umireon

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -7,7 +7,7 @@ body:
     id: md_welcome
     attributes:
       value: |
-        ## 🐞 Bug Report for Live Background Removal Lite
+        ## 🐞 Bug Report for OBS Background Removal
 
         Please fill out **all required fields**. Incomplete reports may be closed without investigation.
         - Attach an OBS log file (see below).
@@ -50,7 +50,7 @@ body:
     id: plugin_version
     attributes:
       label: Plugin Version
-      description: What version of Live Background Removal Lite are you using?
+      description: What version of OBS Background Removal are you using?
       placeholder: "e.g., 1.0.0, 1.0.0-beta1, git-abcdef"
     validations:
       required: true

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -7,7 +7,7 @@ body:
     id: md_welcome
     attributes:
       value: |
-        ## 💡 Feature Request for Live Background Removal Lite
+        ## 💡 Feature Request for OBS Background Removal
 
         Please fill out the form below to suggest a new feature or improvement.
         - Check existing issues before submitting a new one.