Misc changes due to .net 5 migration

OneDriveArchiver/obj/project.packagespec.json

@@ -7,13 +7,13 @@
     "outputPath": "C:\\Users\\johan\\OneDrive\\DEV\\OneDriveArchiver\\OneDriveArchiver\\obj\\",
     "projectStyle": "PackageReference",
     "originalTargetFrameworks": [
-      "netcoreapp3.1"
+      "net50"
     ],
     "sources": {
       "https://api.nuget.org/v3/index.json": {}
     },
     "frameworks": {
-      "netcoreapp3.1": {
+      "netcoreapp5.0": {
         "projectReferences": {}
       }
     },
@@ -24,7 +24,7 @@
     }
   },
   "frameworks": {
-    "netcoreapp3.1": {
+    "netcoreapp5.0": {
       "imports": [
         "net461",
         "net462",
@@ -35,12 +35,6 @@
       ],
       "assetTargetFallback": true,
       "warn": true,
-      "downloadDependencies": [
-        {
-          "name": "Microsoft.NETCore.App.Host.win-x64",
-          "version": "[3.1.9, 3.1.9]"
-        }
-      ],
       "frameworkReferences": {
         "Microsoft.NETCore.App": {
           "privateAssets": "all"