Update cargo-rdme@latest to 2.2.0

CHANGELOG.md

@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `cargo-rdme@latest` to 2.2.0.
+
 - Update `cargo-crap@latest` to 0.4.3.
 
 ## [2.85.9] - 2026-08-06

manifests/cargo-rdme.json

@@ -2,10 +2,13 @@
   "rust_crate": "cargo-rdme",
   "template": null,
   "latest": {
-    "version": "2.1.0"
+    "version": "2.2.0"
   },
   "2": {
-    "version": "2.1.0"
+    "version": "2.2.0"
+  },
+  "2.2": {
+    "version": "2.2.0"
   },
   "2.2.0": {
     "x86_64_linux_musl": {