add aarch64

Author: Brooooooklyn

.github/workflows/CI.yml

@@ -51,7 +51,7 @@ jobs:
             build: yarn build --target aarch64-apple-darwin
           - host: ubuntu-latest
             target: aarch64-unknown-linux-gnu
-            docker: ghcr.io/napi-rs/napi-rs/nodejs-rust:lts-debian-aarch64
+            docker: ghcr.io/napi-rs/napi-rs/nodejs-rust:lts-debian-aarch64@sha256:28bfb8bb12b5ed81c50ac71028b7de8975595c5dc030c34c1f407a803600b067
             build: yarn build --target aarch64-unknown-linux-gnu
           - host: ubuntu-latest
             target: armv7-unknown-linux-gnueabihf