Fix OpenSSL installation in Dockerfile

Dockerfile

@@ -112,7 +112,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update \
     && wget https://www.gmssl.cn/gmssl/down/gmssl_openssl_1.1_b2024_x64_1.tar.gz \
     && mkdir -p /usr/local/openresty/openssl \
     && tar xzfm gmssl_openssl_1.1_b2024_x64_1.tar.gz -C /usr/local/ \
-    && cp /usr/local/gmssl/* /usr/local/openresty/openssl \
+    && cp /usr/local/gmssl/* /usr/local/openresty/openssl -r \
     && cd /tmp \
     && curl -fSL https://downloads.sourceforge.net/project/pcre/pcre/${RESTY_PCRE_VERSION}/pcre-${RESTY_PCRE_VERSION}.tar.gz -o pcre-${RESTY_PCRE_VERSION}.tar.gz \
     && echo "${RESTY_PCRE_SHA256}  pcre-${RESTY_PCRE_VERSION}.tar.gz" | shasum -a 256 --check \