chore: add vendor dependencies for kauma build

vendor/shlex/CHANGELOG.md

@@ -0,0 +1,21 @@
+# 1.2.0
+
+* Adds `bytes` module to support operating directly on byte strings.
+
+# 1.1.0
+
+* Adds the `std` feature (enabled by default)
+* Disabling the `std` feature makes the crate work in `#![no_std]` mode, assuming presence of the `alloc` crate
+
+# 1.0.0
+
+* Adds the `join` convenience function.
+* Fixes parsing of `'\\n'` to match the behavior of bash/Zsh/Python `shlex`. The result was previously `\n`, now it is `\\n`.
+
+# 0.1.1
+
+* Adds handling of `#` comments.
+
+# 0.1.0
+
+This is the initial release.