fix: correct binary path construction by using filepath.Join instead of path.Join

Author: andrzej-janczak

plugins/tool-utils.go

@@ -190,7 +190,7 @@ func ProcessTools(configs []ToolConfig, toolDir string) (map[string]*ToolInfo, e
 				return nil, fmt.Errorf("error executing binary path template for %s: %w", config.Name, err)
 			}
 
-			binaryPath := path.Join(installDir, buf.String())
+			binaryPath := filepath.Join(installDir, buf.String())
 			info.Binaries[binary.Name] = binaryPath
 		}