contrib: update llhttp

Gitlab: #1122
Change-Id: I31d290cd8ebf623a2aa91a6c279d6637952135ce

contrib/src/llhttp/SHA512SUMS

-563a97301cc07ef8d64ee52572faaa705de0daf1bb428651ada0f22ea0bf7cc617c31883734d8786599c0eff223edfe637739169ee31da5b10f49db8c3ca6ed7  llhttp-9.2.0.tar.gz
+7e6f5427b4b6d778ecefff892db78894ef4fd22a79e9c1f2c24d38d603d885755bdc8b0e8202b47c8bc209d3caf45a7293214617390a7a9c33bffbaab59fe5da  llhttp-9.2.1.tar.gz

contrib/src/llhttp/rules.mak

@@ -15,7 +15,7 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <https://www.gnu.org/licenses/>.
 #
-LLHTTP_VERSION := 9.2.0
+LLHTTP_VERSION := 9.2.1
 PKG_CPE += cpe:2.3:a:llhttp:llhttp:$(LLHTTP_VERSION):*:*:*:*:*:*:*
 LLHTTP_URL := https://github.com/nodejs/llhttp/archive/refs/tags/release/v$(LLHTTP_VERSION).tar.gz