Update information

Author: koppor

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -12,7 +12,7 @@ body:
     attributes:
       label: JabRef version
       options:
-        - "5.10 (latest release)"
+        - "5.11 (latest release)"
         - Latest development branch build (please note build date below)
         - Other (please describe below)
       description: The version as shown in the about dialog.

snap/snapcraft.yaml

@@ -58,7 +58,7 @@ environment:
 parts:
   jabref:
     plugin: dump
-    source: https://builds.jabref.org/main/JabRef-5.11-portable_linux.tar.gz
+    source: https://builds.jabref.org/main/JabRef-5.12-portable_linux.tar.gz
     stage-packages:
       - x11-utils
     override-build: |