Update Dockerfile and global.json updates to v10.0.300

Author: renovate[bot]

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # Refer to https://hub.docker.com/_/microsoft-dotnet-sdk for available versions
-FROM mcr.microsoft.com/dotnet/sdk:10.0.202@sha256:adc02be8b87957d07208a4a3e51775935b33bad3317de8c45b1e67357b4c073b
+FROM mcr.microsoft.com/dotnet/sdk:10.0.300@sha256:dc8430e6024d454edadad1e160e1973be3cabbb7125998ef190d9e5c6adf7dbb
 
 # Installing mono makes `dotnet test` work without errors even for net472.
 # But installing it takes a long time, so it's excluded by default.

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.202",
+    "version": "10.0.300",
     "rollForward": "patch",
     "allowPrerelease": false
   },