Merge pull request #104 from ShikiSuen/shiki/uigf-srgf-2025July-Update

UIGF v4.1 update.

Author: BTMuli

docs/.vuepress/public/schema/uigf.json

@@ -209,7 +209,9 @@
                     "1",
                     "2",
                     "11",
-                    "12"
+                    "12",
+                    "21",
+                    "22"
                   ]
                 },
                 "item_id": {

docs/en/standards/srgf.md

@@ -19,7 +19,7 @@ Including only importing feature reduces the interchangeability of user data, an
 :::
 
 ::: warning Deprecated Version
-This standard is deprecated. [UIGF v4.0](uigf-legacy-v3.0) is the successor.
+This standard is deprecated and won't be maintained anymore (incl. its supported gacha pool types.). [UIGF v4.1](uigf.md) is the successor.
 
 The latest UIGF 4.0 version inherits and merges the features of both [UIGF 3.0](./uigf-legacy-v3.0.md) and SRGF standards, plus additional support for Zenless Zone Zero gacha record data.