Update log4cplus clone URL to use GitHub instead of Gitee

rockylinux9/Dockerfile

@@ -107,7 +107,7 @@ RUN git clone --branch=v3.21.12 --depth=1 https://github.com/protocolbuffers/pro
     && cmake --build build --parallel "$(nproc)" --target install \
     && rm -rf build src
 
-RUN git clone --branch=REL_2_0_5 --depth=1 https://gitee.com/mirrors/log4cplus.git src \
+RUN git clone --branch=REL_2_0_5 --depth=1 https://github.com/log4cplus/log4cplus.git src \
     && git -C src submodule update --init --depth=1 threadpool \
     && cmake -G Ninja -S src -B build -DCMAKE_BUILD_TYPE=Release \
         -DBUILD_SHARED_LIBS=OFF \