(#146) Alter scriban template

GitLab doesn't support emojis when they are "connected" to each other,
where GitHub does.  Rather than fight this, let's just add a space
between the emojis.  This doesn't cause any difference in the rendered
output, so shouldn't impact on any existing usage.

Author: gep13

src/GitReleaseManager.Core/Configuration/Config.cs

@@ -12,7 +12,7 @@ public class Config
 
 - [GitHub release](https://github.com/{owner}/{repository}/releases/tag/{milestone})
 
-Your **[GitReleaseManager](https://github.com/GitTools/GitReleaseManager)** bot :package::rocket:";
+Your **[GitReleaseManager](https://github.com/GitTools/GitReleaseManager)** bot :package: :rocket:";
 
         public Config()
         {