Added versions 1.71-1.76 to Rust feature version (#929)

* Update devcontainer-feature.json

* Updated version

src/rust/devcontainer-feature.json

 {
     "id": "rust",
-    "version": "1.1.1",
+    "version": "1.1.2",
     "name": "Rust",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/rust",
     "description": "Installs Rust, common Rust utilities, and their required dependencies",
@@ -10,6 +10,12 @@
             "proposals": [
                 "latest",
                 "none",
+                "1.76",
+                "1.75",
+                "1.74",
+                "1.73",
+                "1.72",
+                "1.71",
                 "1.70",
                 "1.69",
                 "1.68",