chore: add mergify backport task for 08-wasm v0.2.x with ibc-go v8.2.x (

cosmos#5869)

.github/mergify.yml

@@ -66,6 +66,14 @@ pull_request_rules:
       backport:
         branches:
           - 08-wasm/release/v0.1.x+ibc-go-v8.0.x-wasmvm-v1.5.x
+  - name: backport patches to v0.2.x wasm ibc-go v8.2.x & wasmvm 2.0.x branch
+    conditions:
+      - base=main
+      - label=backport-wasm-v0.2.x+ibc-go-v8.2.x-wasmvm-v2.0.x
+    actions:
+      backport:
+        branches:
+          - 08-wasm/release/v0.2.x+ibc-go-v8.2.x-wasmvm-v2.0.x
   - name: backport patches to v7.2.x branch
     conditions:
       - base=main