Update async to prepare for main merge

- Changed nightly to stable in Dockerfile and Workflow
- Updated Dockerfile to use stable and updated ENV's
- Removed 0.0.0.0 as default addr it now uses ROCKET_ADDRESS or the default
- Updated Github Workflow actions to the latest versions
- Updated Hadolint version
- Re-orderd the Cargo.toml file a bit and put libs together which are linked
- Updated some libs
- Updated .dockerignore file

docker/Dockerfile.buildx

@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1
 # The cross-built images have the build arch (`amd64`) embedded in the image
 # manifest, rather than the target arch. For example:
 #