Bump module version to 1.5.5 and update Invoke-GiteaFileDownload to ensure URL encoded characters in the file name are properly replaced.

PS-GiteaUtilities/PS-GiteaUtilities.psm1

@@ -472,9 +472,10 @@ Function Invoke-GiteaFileDownload {
             $branchIndex = [Array]::IndexOf($pathSegments, "branch") + 2
             $DownloadFilePath = $pathSegments[$branchIndex..($pathSegments.Length - 2)] -join '/'
             # Replace any URL encoded characters in the file name
-            $DownloadFilePath = [System.Uri]::UnescapeDataString($DownloadFilePath)
             $DownloadFileName = $pathSegments[-1]
         }
+
+        $DownloadFilePath = [System.Uri]::UnescapeDataString($DownloadFilePath)
                 
         if ($PreserveRelativePath -and $outputPath) {
             # If PreserveRelativePath is used, set up the directory structure