updated from shred to srm. need to put in a check for srm before running

bitwardenBackup.py

@@ -543,9 +543,9 @@ if __name__ == "__main__":
                         logger.debug((subprocess.run([sdelete_executable, '-p', '5', zip_filename + ".zip"], capture_output=True).stdout).decode())
                 elif os_detected == "Linux":
                     # find <directory> -depth -type f -exec shred -v -n 1 -z -u {} \;
-                    logger.debug((subprocess.run(['find', working_directory, '-depth', '-type', 'f', '-exec', 'shred', '-v', '-n', '5', '-u', '/{/}', '\;'], capture_output=True).stdout).decode())
+                    logger.debug((subprocess.run(['srm', '-r', '-z', '-v', working_directory], capture_output=True).stdout).decode())
                     if not opts.no_encrypt:
-                        logger.debug((subprocess.run(['shred', '-v', '-u', '-n', '5', zip_filename + '.zip'], capture_output=True).stdout).decode())
+                        logger.debug((subprocess.run(['srm', '-r', '-z', '-v', zip_filename + '.zip'], capture_output=True).stdout).decode())
 
             else:
                 logger.error((bitwarden_unlock_output.stderr).decode())