Updated privoxy packages fix security vulnerabilities

Updated privoxy packages fix security vulnerabilities: A security issue has been found in Privoxy before version 3.0.33. get_url_spec_param() did not free memory of compiled pattern spec before bailing (CVE-2021-44540). A security issue has been found in Privoxy before version 3.0.33. process_encrypted_request_headers() did not free header memory when failing to get the request destination (CVE-2021-44541). A security issue has been found in Privoxy before version 3.0.33. send_http_request() leaked memory when handling errors (CVE-2021-44542). A security issue has been found in Privoxy before version 3.0.33. cgi_error_no_template() did not encode the template name, which could lead to cross-site scripting when Privoxy is configured to servce the user-manual itself (CVE-2021-44543).