Fix xkbcommon overflow more (#14571)

Release Notes:

- linux: Fixed overflow in xkbcommon-rs

Cargo.lock

@@ -13492,7 +13492,7 @@ dependencies = [
 [[package]]
 name = "xkbcommon"
 version = "0.7.0"
-source = "git+https://github.com/ConradIrwin/xkbcommon-rs?rev=2d4c4439160c7846ede0f0ece93bf73b1e613339#2d4c4439160c7846ede0f0ece93bf73b1e613339"
+source = "git+https://github.com/ConradIrwin/xkbcommon-rs?rev=fcbb4612185cc129ceeff51d22f7fb51810a03b2#fcbb4612185cc129ceeff51d22f7fb51810a03b2"
 dependencies = [
  "as-raw-xcb-connection",
  "libc",

crates/gpui/Cargo.toml

@@ -135,7 +135,7 @@ x11rb = { version = "0.13.0", features = [
     "resource_manager",
     "sync",
 ] }
-xkbcommon = { git = "https://github.com/ConradIrwin/xkbcommon-rs", rev = "2d4c4439160c7846ede0f0ece93bf73b1e613339", features = [
+xkbcommon = { git = "https://github.com/ConradIrwin/xkbcommon-rs", rev = "fcbb4612185cc129ceeff51d22f7fb51810a03b2", features = [
     "wayland",
     "x11",
 ] }