Web: Install libatomic, now needed by wasm-opt

Author: akien-mga

Dockerfile.web

@@ -3,7 +3,8 @@ FROM godot-fedora:${img_version}
 
 ENV EMSCRIPTEN_VERSION=4.0.10
 
-RUN git clone --branch ${EMSCRIPTEN_VERSION} --progress https://github.com/emscripten-core/emsdk && \
+RUN dnf -y install --setopt=install_weak_deps=False libatomic && \
+    git clone --branch ${EMSCRIPTEN_VERSION} --progress https://github.com/emscripten-core/emsdk && \
     emsdk/emsdk install ${EMSCRIPTEN_VERSION} && \
     emsdk/emsdk activate ${EMSCRIPTEN_VERSION}