[calls] gitlab: Update bug template

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 8e470248eace22ee66b8a24da15b3e5778ea08a8
Author: dcz <dorota czaplejewicz puri sm>
Date:   Mon Nov 22 15:22:50 2021 +0000

    gitlab: Update bug template
    
    The template asked for the info for package "calls", whereas it's called "gnome-calls"

 .gitlab/issue_templates/bug.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab/issue_templates/bug.md b/.gitlab/issue_templates/bug.md
index a15daa06..5ca0bc04 100644
--- a/.gitlab/issue_templates/bug.md
+++ b/.gitlab/issue_templates/bug.md
@@ -16,7 +16,7 @@
    the output below.
 
  - [ ] I used the precompiled Debian package (e.g. by running a prebuilt
-   image). Please paste the output of ``dpkg -s calls`` below.
+   image). Please paste the output of ``dpkg -s gnome-calls`` below.
 
 ```
   Calls Version: