Update to use version 0.134.0 of definition

.devcontainer/devcontainer.json

@@ -1,6 +1,10 @@
+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.134.0/containers/rust
 {
 	"name": "Rust Sample",
-	"dockerFile": "Dockerfile",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
 	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
 
 	// Set *default* container specific settings.json values on container create.
@@ -18,7 +22,6 @@
 		"rust-lang.rust",
 		"bungcip.better-toml",
 		"vadimcn.vscode-lldb",
-		// (Optional) Displays the current CPU stats, memory/disk consumption, clock freq. etc. of the container host in the VS Code status bar.
 		"mutantdino.resourcemonitor"
 	],
 
@@ -28,6 +31,6 @@
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "rustc --version",
 
-	// Comment out to run as root instead
+	// Comment out to run as root instead.
 	"remoteUser": "vscode"
 }