chore: bump workspace to v0.3.0 and publish 15 crates to crates.io

- Workspace version: 0.2.0 → 0.3.0
- All internal path dependency versions updated
- ruvector-crv/gnn gated behind optional `crv` feature (removed [patch.crates-io])
- All 15 crates published to crates.io at v0.3.0

Published crates (in order):
  1. wifi-densepose-core
  2. wifi-densepose-vitals
  3. wifi-densepose-wifiscan
  4. wifi-densepose-hardware
  5. wifi-densepose-config
  6. wifi-densepose-db
  7. wifi-densepose-signal
  8. wifi-densepose-nn
  9. wifi-densepose-ruvector
  10. wifi-densepose-api
  11. wifi-densepose-train
  12. wifi-densepose-mat
  13. wifi-densepose-wasm
  14. wifi-densepose-sensing-server
  15. wifi-densepose-cli

Co-Authored-By: claude-flow <ruv@ruv.net>

rust-port/wifi-densepose-rs/crates/wifi-densepose-train/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wifi-densepose-train"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 authors = ["rUv <ruv@ruv.net>", "WiFi-DensePose Contributors"]
 license = "MIT OR Apache-2.0"
@@ -27,8 +27,8 @@ cuda = ["tch-backend"]
 
 [dependencies]
 # Internal crates
-wifi-densepose-signal = { version = "0.2.0", path = "../wifi-densepose-signal" }
-wifi-densepose-nn = { version = "0.2.0", path = "../wifi-densepose-nn" }
+wifi-densepose-signal = { version = "0.3.0", path = "../wifi-densepose-signal" }
+wifi-densepose-nn = { version = "0.3.0", path = "../wifi-densepose-nn" }
 
 # Core
 thiserror.workspace = true