Fix ZSync matching pattern

The "*" at the end of the pattern should be removed, because files that don't end with '.zsync' shouldn't be matched. ex. '.zsync*' matches '.zsync.sha256'

Author: eljamm

src/updateinformation/GithubReleasesZsyncUpdateInformation.cpp

@@ -47,7 +47,7 @@ namespace appimage::update::updateinformation {
  }
 
  // not ideal, but allows for returning a match for the entire line
- auto pattern = "*" + filename + "*";
+ auto pattern = "*" + filename;
 
  const auto& assets = json["assets"];