Change the location of libwebsockets from official website to GitHub mirror repo

Change the location of the libwebsockets source code from the official website to the GitHub mirror repository

.devcontainer/Dockerfile

@@ -7,7 +7,7 @@ FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
 RUN apt-get update && \
     apt-get install -qq -y git libssl-dev libcurl4-openssl-dev uncrustify cmake g++
 
-RUN git clone https://libwebsockets.org/repo/libwebsockets --depth 1 --branch v4.2-stable && \
+RUN git clone https://github.com/warmcat/libwebsockets --depth 1 --branch v4.2-stable && \
     cd libwebsockets && \
     mkdir build && \
     cd build && \

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         sudo apt-get install -y libssl-dev libcurl4-openssl-dev uncrustify valgrind
     - name: Prepare libwebsockets
       run: |
-        git clone https://libwebsockets.org/repo/libwebsockets --depth 1 --branch v4.2-stable
+        git clone https://github.com/warmcat/libwebsockets --depth 1 --branch v4.2-stable
         cd libwebsockets
         mkdir build
         cd build

README.md

@@ -17,7 +17,7 @@ CLIENT_REPO_ROOT=${PWD}/c
 sudo apt-get install libssl-dev libcurl4-openssl-dev uncrustify
 
 # Build pre-requisite: libwebsockets
-git clone https://libwebsockets.org/repo/libwebsockets --depth 1 --branch v4.2-stable
+git clone https://github.com/warmcat/libwebsockets --depth 1 --branch v4.2-stable
 cd libwebsockets
 mkdir build
 cd build