Release: capi 0.2.2, Go SDK v0.2.4

The capi exposes a new symbol, `rfl_message_data_json`. Bump the
crate to 0.2.2 so the matching GitHub release tarballs include it,
and bump the Go SDK install snippets to v0.2.4 — the version the
publish-go workflow will produce on tag push.

Author: darmie

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "reflow_rt_capi"
-version = "0.2.1"
+version = "0.2.2"
 edition = "2021"
 authors = ["Damilare Akinlaja"]
 description = "C ABI bindings for the Reflow runtime — the shared native surface consumed by Go (cgo), Kotlin/Java (JNI), and other non-Rust callers."

crates/reflow_rt_capi/Cargo.toml

@@ -58,9 +58,9 @@ Backpressure is built into every connector. Cancellation is one
 Get the Go SDK and the matching C ABI shared library it loads via cgo:
 
 ```sh
-go get github.com/offbit-ai/reflow/sdk/go@v0.2.3
-cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.3"
-./scripts/install_lib.sh v0.2.3
+go get github.com/offbit-ai/reflow/sdk/go@v0.2.4
+cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.4"
+./scripts/install_lib.sh v0.2.4
 ```
 
 `install_lib.sh` pulls a prebuilt `libreflow_rt_capi` for your

docs/tutorials/real-world/04-grpc-service.md

@@ -17,9 +17,9 @@ import reflow "github.com/offbit-ai/reflow/sdk/go"
 ### Install (published)
 
 ```sh
-go get github.com/offbit-ai/reflow/sdk/go@v0.2.3
-cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.3"
-./scripts/install_lib.sh v0.2.3
+go get github.com/offbit-ai/reflow/sdk/go@v0.2.4
+cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.4"
+./scripts/install_lib.sh v0.2.4
 ```
 
 `install_lib.sh` downloads the matching tarball from the

sdk/go/README.md

@@ -23,9 +23,9 @@ graph.
 ## Get the runtime library
 
 ```sh
-go get github.com/offbit-ai/reflow/sdk/go@v0.2.3
-cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.3"
-./scripts/install_lib.sh v0.2.3
+go get github.com/offbit-ai/reflow/sdk/go@v0.2.4
+cd "$(go env GOMODCACHE)/github.com/offbit-ai/reflow/sdk/go@v0.2.4"
+./scripts/install_lib.sh v0.2.4
 ```
 
 This pulls a prebuilt `libreflow_rt_capi` from the matching