fix %5C issue in the call

codedge#408 
when I debugged the issue it was with the coma separator constant so when I changed it worked

Author: NawrasBukhari

src/SourceRepositoryTypes/GithubRepositoryTypes/GithubBranchType.php

@@ -92,10 +92,10 @@ public function getVersionAvailable(string $prepend = '', string $append = ''):
 
     final public function getReleases(): Response
     {
-        $url = DIRECTORY_SEPARATOR.'repos'
-               .DIRECTORY_SEPARATOR.$this->config['repository_vendor']
-               .DIRECTORY_SEPARATOR.$this->config['repository_name']
-               .DIRECTORY_SEPARATOR.'commits'
+        $url = '/'.'repos'
+               .'/'.$this->config['repository_vendor']
+               .'/'.$this->config['repository_name']
+               .'/'.'commits'
                .'?sha='.$this->config['use_branch'];
 
         $headers = [];
@@ -111,10 +111,10 @@ final public function getReleases(): Response
 
     private function generateArchiveUrl(string $name): string
     {
-        return DIRECTORY_SEPARATOR.'repos'
-               .DIRECTORY_SEPARATOR.$this->config['repository_vendor']
-               .DIRECTORY_SEPARATOR.$this->config['repository_name']
-               .DIRECTORY_SEPARATOR.'zipball'
-               .DIRECTORY_SEPARATOR.$name;
+        return '/'.'repos'
+               .'/'.$this->config['repository_vendor']
+               .'/'.$this->config['repository_name']
+               .'/'.'zipball'
+               .'/'.$name;
     }
 }