fix: aarch64 builds

Cross.toml

@@ -1,12 +1,19 @@
 [build]
 pre-build = [
-    # Use azure mirrors for faster downloads.
+    # Use Azure mirrors for faster downloads
     "sed -i -e 's/archive.archive.ubuntu.com/azure.archive.ubuntu.com/' /etc/apt/sources.list",
     "sed -i -e 's/security.archive.ubuntu.com/azure.archive.ubuntu.com/' /etc/apt/sources.list",
-    "apt-get update && apt-get --assume-yes install libclang-8-dev clang-8",
+
+    # Enable multiarch and install the necessary dependencies
+    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    "apt-get update",
+    "apt-get -y install libclang-8-dev clang-8 zlib1g-dev:$CROSS_DEB_ARCH",
+
     "curl -sL https://sentry.io/get-cli/ | sh",
 ]
+env.passthrough = ["CMAKE_TOOLCHAIN_FILE_aarch64_unknown_linux_musl"]
 
 [target.aarch64-unknown-linux-gnu]
 # We're using a nightly `cross`, let's still use a stable image.
-image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:0.2.5"
+image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:edge"
+env.passthrough = ["CMAKE_TOOLCHAIN_FILE_aarch64_unknown_linux_gnu"]