FIX: CI containers running out of space

Author: RiccardoMarantonio

.github/workflows/arch-x86.yml

@@ -30,10 +30,12 @@ jobs:
             ca-certificates cmake ninja gcc \
             python python-pip python-setuptools \
             wget diffutils xz
+          pacman -Scc --noconfirm
           wget -nv --tries=5 --waitretry=5 --timeout=30 \
             "https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/LLVM-${LLVM_VERSION}-Linux-X64.tar.xz"
           tar xf "LLVM-${LLVM_VERSION}-Linux-X64.tar.xz"
           mv "LLVM-${LLVM_VERSION}-Linux-X64" "${LLVM_PREFIX}"
+          rm -f "LLVM-${LLVM_VERSION}-Linux-X64.tar.xz"
           pip3 install lit --break-system-packages
           echo "${LLVM_PREFIX}/bin" >> "$GITHUB_PATH"
       - name: Build eter