Update .NET8 to p7 (#15770)

Author: vzarytovskii

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-ARG VARIANT=8.0.100-preview.6-bookworm-slim-amd64
+ARG VARIANT=8.0.100-preview.7-bookworm-slim-amd64
 FROM mcr.microsoft.com/dotnet/sdk:${VARIANT}
 
 # Avoid warnings by switching to noninteractive

.devcontainer/devcontainer.json

@@ -6,7 +6,7 @@
         "args": {
             // Update 'VARIANT' to pick a .NET Core version: 3.1, 5.0, 6.0, 7.0
             // Append -bullseye(-slim), -focal, or -jammy to pin to an OS version.
-            "VARIANT": "8.0.100-preview.6-bookworm-slim-amd64"
+            "VARIANT": "8.0.100-preview.7-bookworm-slim-amd64"
         }
     },
     "hostRequirements": {

eng/SourceBuildPrebuiltBaseline.xml

@@ -11,9 +11,9 @@
       These will go away when repo updates targeting to net8.0
       Tracked with https://github.com/dotnet/fsharp/issues/14765
     -->
-    <UsagePattern IdentityGlob="Microsoft.AspNetCore.App.Ref/7.0.8" />
-    <UsagePattern IdentityGlob="Microsoft.NETCore.App.Host.linux-x64/7.0.8" />
-    <UsagePattern IdentityGlob="Microsoft.NETCore.App.Ref/7.0.8" />
+    <UsagePattern IdentityGlob="Microsoft.AspNetCore.App.Ref/7.0.9" />
+    <UsagePattern IdentityGlob="Microsoft.NETCore.App.Host.linux-x64/7.0.9" />
+    <UsagePattern IdentityGlob="Microsoft.NETCore.App.Ref/7.0.9" />
     <UsagePattern IdentityGlob="System.Configuration.ConfigurationManager/7.0.0" />
     <UsagePattern IdentityGlob="System.Diagnostics.EventLog/7.0.0" />
     <UsagePattern IdentityGlob="System.Security.Cryptography.ProtectedData/7.0.0" />

global.json

@@ -1,11 +1,11 @@
 {
   "sdk": {
-    "version": "8.0.100-preview.6.23330.14",
+    "version": "8.0.100-preview.7.23376.3",
     "allowPrerelease": true,
     "rollForward": "latestMajor"
   },
   "tools": {
-    "dotnet": "8.0.100-preview.6.23330.14",
+    "dotnet": "8.0.100-preview.7.23376.3",
     "vs": {
       "version": "17.6",
       "components": [