chore(deps): update vcpkg digest to 68c518d

renovate[bot] · web-flow · commit 34e1ef6d5938 · 2025-09-29T20:30:04.000Z
diff --git a/vcpkg b/vcpkg
@@ -1 +1 @@
-Subproject commit 4334d8b4c8916018600212ab4dd4bbdc343065d1
+Subproject commit 68c518dfe3f7d0b2865902b9ae9099acbdf6c8b3
