chore(deps): update dependency dotnet-sdk to v7.0.400 (#139)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.editorconfig

@@ -140,7 +140,8 @@ dotnet_diagnostic.IDE0001.severity = warning
 dotnet_diagnostic.IDE0002.severity = warning
 
 # IDE0005: Remove unnecessary import
-dotnet_diagnostic.IDE0005.severity = warning
+# Workaround for https://github.com/dotnet/roslyn/issues/41640
+dotnet_diagnostic.IDE0005.severity = none
 
 # RS0041: Public members should not use oblivious types
 dotnet_diagnostic.RS0041.severity = suggestion

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
     "rollForward": "latestFeature",
-    "version": "7.0.306"
+    "version": "7.0.400"
   }
 }