add changelog for 1.22.2

Katie Horne · Katie Horne · commit 39c4d7b0d378 · 2021-09-23T14:48:21.000-05:00
diff --git a/manifest.json b/manifest.json
@@ -417,6 +417,9 @@
     {
       "path": "./changelog/index.md",
       "children": [
+        {
+          "path": "./changelog/1.22.2.md"
+        },
         {
           "path": "./changelog/1.22.1.md"
         },
