[shotwell] gitlab: Update bug template

[Jens Georg <jensgeorg src gnome org>]

commit d6afca8b79288af65064db30bcc85079dbedba86
Author: Jens Georg <mail jensge org>
Date:   Wed Sep 15 23:53:31 2021 +0200

    gitlab: Update bug template
    
    Mention to compress image data for issues to prevent meta-data stripping

 .gitlab/issue_templates/Bug_report.md | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab/issue_templates/Bug_report.md b/.gitlab/issue_templates/Bug_report.md
index 937e7b1d..c08d2145 100644
--- a/.gitlab/issue_templates/Bug_report.md
+++ b/.gitlab/issue_templates/Bug_report.md
@@ -1,4 +1,6 @@
 ## Mandatory: Shotwell version the issue was seen with
+## When attaching an image, compress the image using Zip/gzip... to prevent gitlab from
+## Potentially stripping the meta-data
> …
 
 ## The expected behaviour