chore(deps): update dependency dotnet-outdated-tool to v4.8.1 (#1701)

Author: JoeRobich

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "dotnet-outdated-tool": {
-      "version": "4.6.9",
+      "version": "4.8.1",
       "commands": [
         "dotnet-outdated"
       ],