Update iTerm2 colorschemes (#10157)

Upstream release:
https://github.com/mbadolato/iTerm2-Color-Schemes/releases/tag/release-20251229-150532-f279991

Author: mitchellh

build.zig.zon

@@ -116,8 +116,8 @@
         // Other
         .apple_sdk = .{ .path = "./pkg/apple-sdk" },
         .iterm2_themes = .{
-            .url = "https://deps.files.ghostty.org/ghostty-themes-release-20251222-150520-0add1e1.tgz",
-            .hash = "N-V-__8AAIdIAwAOceDblkuOARUyuTKbDdGPjPClPLhMeIfU",
+            .url = "https://deps.files.ghostty.org/ghostty-themes-release-20251229-150532-f279991.tgz",
+            .hash = "N-V-__8AAIdIAwAO4ro1DOaG7QTFq3ewrTQIViIKJ3lKY6lV",
             .lazy = true,
         },
     },

build.zig.zon.json

@@ -67,9 +67,9 @@
   },
   {
     "type": "archive",
-    "url": "https://deps.files.ghostty.org/ghostty-themes-release-20251222-150520-0add1e1.tgz",
-    "dest": "vendor/p/N-V-__8AAIdIAwAOceDblkuOARUyuTKbDdGPjPClPLhMeIfU",
-    "sha256": "70c2040d91587629426af84be69590ea345eac65054992232f06f1368b2c49e8"
+    "url": "https://deps.files.ghostty.org/ghostty-themes-release-20251229-150532-f279991.tgz",
+    "dest": "vendor/p/N-V-__8AAIdIAwAO4ro1DOaG7QTFq3ewrTQIViIKJ3lKY6lV",
+    "sha256": "6d6290c51820cff64bafac3466dfe14e79c001bd77550595ef449c0ac3452199"
   },
   {
     "type": "archive",