Update mtxclient version to tag

CMakeLists.txt

@@ -337,11 +337,11 @@ if(USE_BUNDLED_MTXCLIENT)
 	FetchContent_Declare(
 		MatrixClient
 		GIT_REPOSITORY https://github.com/Nheko-Reborn/mtxclient.git
-		GIT_TAG        a897142a3fa6ece92daa1040551fb8ac09be1766
+		GIT_TAG        v0.3.1
 		)
 	FetchContent_MakeAvailable(MatrixClient)
 else()
-	find_package(MatrixClient 0.3.0 REQUIRED)
+	find_package(MatrixClient 0.3.1 REQUIRED)
 endif()
 if(USE_BUNDLED_OLM)
 	include(FetchContent)

io.github.NhekoReborn.Nheko.json

@@ -146,9 +146,9 @@
       "name": "mtxclient",
       "sources": [
         {
-          "sha256": "6a4368da5fda1db426c36c9a7b26c6e62ca99bd8c7fea421460156642e65a5cb",
+          "sha256": "e4899cc4ce87397de2aef865e94ea2cdb8d9cb86253727e7d90532b925ecc770",
           "type": "archive",
-          "url": "https://github.com/Nheko-Reborn/mtxclient/archive/a897142a3fa6ece92daa1040551fb8ac09be1766.tar.gz"
+          "url": "https://github.com/Nheko-Reborn/mtxclient/archive/v0.3.1.tar.gz"
         }
       ]
     },