linux: Fix panic handling unknown keys (#14274)

Pulls in https://github.com/rust-x-bindings/xkbcommon-rs/pull/54 to
avoid
panicking.

Release Notes:

- linux: Fix a panic in keyboard handling

Cargo.lock

@@ -4285,7 +4285,7 @@ checksum = "e32eac81c1135c1df01d4e6d4233c47ba11f6a6d07f33e0bba09d18797077770"
 dependencies = [
  "fontconfig-parser",
  "log",
- "memmap2 0.9.4",
+ "memmap2",
  "slotmap",
  "tinyvec",
  "ttf-parser",
@@ -6540,15 +6540,6 @@ dependencies = [
  "rustix 0.38.32",
 ]
 
-[[package]]
-name = "memmap2"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a5a03cefb0d953ec0be133036f14e109412fa594edc2f77227249db66cc3ed"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "memmap2"
 version = "0.9.4"
@@ -13476,12 +13467,11 @@ dependencies = [
 [[package]]
 name = "xkbcommon"
 version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13867d259930edc7091a6c41b4ce6eee464328c6ff9659b7e4c668ca20d4c91e"
+source = "git+https://github.com/ConradIrwin/xkbcommon-rs?rev=2d4c4439160c7846ede0f0ece93bf73b1e613339#2d4c4439160c7846ede0f0ece93bf73b1e613339"
 dependencies = [
  "as-raw-xcb-connection",
  "libc",
- "memmap2 0.8.0",
+ "memmap2",
  "xkeysym",
 ]
 

crates/gpui/Cargo.toml

@@ -134,7 +134,7 @@ x11rb = { version = "0.13.0", features = [
     "resource_manager",
     "sync",
 ] }
-xkbcommon = { version = "0.7", features = ["wayland", "x11"] }
+xkbcommon = { git = "https://github.com/ConradIrwin/xkbcommon-rs", rev = "2d4c4439160c7846ede0f0ece93bf73b1e613339", features = ["wayland", "x11"] }
 xim = { git = "https://github.com/npmania/xim-rs", rev = "27132caffc5b9bc9c432ca4afad184ab6e7c16af", features = [
     "x11rb-xcb",
     "x11rb-client",