[release/v7.6.2] Update branch for release (#27446)

CHANGELOG/v7.6/dependencychanges.json

@@ -49,5 +49,18 @@
     "AdvisoryUrls": [],
     "Justification": "Required dependency of System.Security.Cryptography.Xml.",
     "TimestampUtc": "2026-04-16T23:13:22.4500098Z"
+  },
+  {
+    "ChangeType": "NonSecurity",
+    "Branch": "release/v7.6.2",
+    "PackageId": ".NET SDK",
+    "FromVersion": "10.0.202",
+    "ToVersion": "10.0.300",
+    "VulnerabilityId": [],
+    "Severity": [],
+    "VulnerableRanges": [],
+    "AdvisoryUrls": [],
+    "Justification": "Updated .NET SDK. Building with the latest SDK is required.",
+    "TimestampUtc": "2026-05-14T17:53:01.1430124Z"
   }
 ]

DotnetRuntimeMetadata.json

@@ -4,7 +4,7 @@
     "quality": "daily",
     "qualityFallback": "preview",
     "packageVersionPattern": "9.0.0-preview.6",
-    "sdkImageVersion": "10.0.202",
+    "sdkImageVersion": "10.0.300",
     "nextChannel": "9.0.0-preview.7",
     "azureFeed": "",
     "sdkImageOverride": ""

global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "10.0.202"
+    "version": "10.0.300"
   }
 }

tools/cgmanifest/main/cgmanifest.json

@@ -626,7 +626,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "System.Security.Cryptography.Pkcs",
-          "Version": "10.0.5"
+          "Version": "10.0.6"
         }
       },
       "DevelopmentDependency": false