[CI] Updating repo.json for testing_2.0.7.21

Author: actions-user

repo.json

@@ -6,7 +6,7 @@
     "Punchline": "Customize your character beyond FFXIV's limitations.",
     "InternalName": "CustomizePlus",
     "AssemblyVersion": "2.0.7.20",
-    "TestingAssemblyVersion": "2.0.7.20",
+    "TestingAssemblyVersion": "2.0.7.21",
     "RepoUrl": "https://github.com/Aether-Tools/CustomizePlus",
     "ApplicableVersion": "any",
     "DalamudApiLevel": 12,
@@ -18,7 +18,7 @@
     "LoadPriority": 0,
     "DownloadLinkInstall": "https://github.com/Aether-Tools/CustomizePlus/releases/download/2.0.7.20/CustomizePlus.zip",
     "DownloadLinkUpdate": "https://github.com/Aether-Tools/CustomizePlus/releases/download/2.0.7.20/CustomizePlus.zip",
-    "DownloadLinkTesting": "https://github.com/Aether-Tools/CustomizePlus/releases/download/2.0.7.20/CustomizePlus.zip",
+    "DownloadLinkTesting": "https://github.com/Aether-Tools/CustomizePlus/releases/download/testing_2.0.7.21/CustomizePlus.zip",
     "IconUrl": "https://raw.githubusercontent.com/Aether-Tools/CustomizePlus/main/Data/icon.png",
     "Tags": [
       "Anamnesis",