update nginx version to v0.1.31

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: Zoey2936

Dockerfile

@@ -19,7 +19,7 @@ ARG NJS_VER=0.8.9
 ARG NDK_VER=v0.3.3
 ARG LNM_VER=v0.10.28
 ARG MODSECNGX_VER=v1.0.3
-ARG LRC_VER=v0.1.30
+ARG LRC_VER=v0.1.31
 ARG LRL_VER=v0.15
 ARG NHG2M_VER=3.4
 ARG NNTLM_VER=master