Use valid crate categories for k8s-deviceplugin

crates.io has a limited set of valid categories. This updates to use
api-bindings, which is most applicable out of the options.

Signed-off-by: hasheddan <[email protected]>

Author: hasheddan

k8s-deviceplugin/Cargo.toml

@@ -11,7 +11,7 @@ readme = "README.md"
 description = """
 API bindings for Kubernetes device plugins.
 """
-categories = ["kubernetes", "bindings"]
+categories = ["api-bindings"]
 keywords = ["kubernetes", "k8s", "device", "plugin"]
 build = "build.rs"