chore: update mull to main

.devcontainer/Dockerfile

@@ -4,7 +4,7 @@ ARG BATS_VERSION=1.10.0
 ARG CCACHE_VERSION=4.8.3
 ARG CLANG_VERSION=17
 ARG DOCKER_VERSION=24.0.6
-ARG MULL_VERSION=0.20.0
+ARG MULL_VERSION=main
 ARG INCLUDE_WHAT_YOU_USE_VERSION=0.20
 ARG XWIN_VERSION=0.3.1
 
@@ -48,11 +48,11 @@ ENV PATH="$PATH:/usr/lib/llvm-${CLANG_VERSION}/bin"
 # hadolint ignore=DL3008
 RUN apt-get update && apt-get install -y --no-install-recommends libclang-${CLANG_VERSION}-dev llvm-${CLANG_VERSION}-dev libsqlite3-dev \
  && wget -qO - https://github.com/include-what-you-use/include-what-you-use/archive/refs/tags/${INCLUDE_WHAT_YOU_USE_VERSION}.tar.gz | tar xz -C /tmp \
- && CC=clang-${CLANG_VERSION} CXX=clang++-${CLANG_VERSION} cmake -S /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION} -B /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION}/build \
+ && CC=clang CXX=clang++ cmake -S /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION} -B /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION}/build \
  && cmake --build /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION}/build --target install \
  && rm -rf /tmp/include-what-you-use-${INCLUDE_WHAT_YOU_USE_VERSION} \
  && git -C /tmp clone --recurse-submodules -b ${MULL_VERSION} https://github.com/mull-project/mull.git \
- && CC=clang-${CLANG_VERSION} CXX=clang++-${CLANG_VERSION} cmake -S /tmp/mull -B /tmp/mull/build \
+ && CC=clang CXX=clang++ cmake -S /tmp/mull -B /tmp/mull/build \
  && cmake --build /tmp/mull/build --target install \
  && rm -rf /tmp/mull \
  && apt-get purge -y libclang-${CLANG_VERSION}-dev llvm-${CLANG_VERSION}-dev libsqlite3-dev \
@@ -62,7 +62,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends libclang-${CLAN
 
 # Install ccache from source for a recent version
 RUN wget -qO - https://github.com/ccache/ccache/archive/refs/tags/v${CCACHE_VERSION}.tar.gz | tar xz -C /tmp \
- && CC=clang-${CLANG_VERSION} CXX=clang++-${CLANG_VERSION} cmake -DCMAKE_BUILD_TYPE=Release -S /tmp/ccache-${CCACHE_VERSION} -B /tmp/ccache-${CCACHE_VERSION}/build \
+ && CC=clang CXX=clang++ cmake -DCMAKE_BUILD_TYPE=Release -S /tmp/ccache-${CCACHE_VERSION} -B /tmp/ccache-${CCACHE_VERSION}/build \
  && cmake --build /tmp/ccache-${CCACHE_VERSION}/build --target install \
  && rm -rf /tmp/ccache-${CCACHE_VERSION}