Merge pull request #1558 from matthiasdotsh/ms-surface/update-kernel-6.15.9

surface: linux 6.15.6 -> 6.15.9

Author: Mic92

microsoft/surface/common/default.nix

@@ -19,7 +19,7 @@ let
     if kernelVersion == "longterm" then
       "6.12.19"
     else if kernelVersion == "stable" then
-      "6.15.6"
+      "6.15.9"
     else
       abort "Invalid kernel version: ${kernelVersion}";
 
@@ -28,7 +28,7 @@ let
     if kernelVersion == "longterm" then
       "sha256-1zvwV77ARDSxadG2FkGTb30Ml865I6KB8y413U3MZTE="
     else if kernelVersion == "stable" then
-      "sha256-K7WGyVQnfQcMj99tcnX6qTtIB9m/M1O0kdgUnMoCtPw="
+      "sha256-6U86+FSSMC96gZRBRY+AvKCtmRLlpMg8aZ/zxjxSlX0="
     else
       abort "Invalid kernel version: ${kernelVersion}";