Add config setter for wasm_component_model (#269)

* Add gc_support and component model config setters

Co-authored-by: effulgentsia <[email protected]>

* Postpone SetGCSupport until Wasmtime 43

* Postpone SetGCSupport until Wasmtime 43

---------

Co-authored-by: Cursor Agent <[email protected]>
Co-authored-by: effulgentsia <[email protected]>

Author: effulgentsia

config.go

@@ -143,6 +143,13 @@ func (cfg *Config) SetWasmGC(enabled bool) {
 	runtime.KeepAlive(cfg)
 }
 
+// SetWasmComponentModel configures whether the wasm component model proposal is
+// enabled.
+func (cfg *Config) SetWasmComponentModel(enabled bool) {
+	C.wasmtime_config_wasm_component_model_set(cfg.ptr(), C.bool(enabled))
+	runtime.KeepAlive(cfg)
+}
+
 // SetWasmWideArithmetic configures whether wide arithmetic is enabled
 func (cfg *Config) SetWasmWideArithmetic(enabled bool) {
 	C.wasmtime_config_wasm_wide_arithmetic_set(cfg.ptr(), C.bool(enabled))

config_test.go

@@ -21,6 +21,7 @@ func TestConfig(t *testing.T) {
 	NewConfig().SetWasmTailCall(true)
 	NewConfig().SetWasmFunctionReferences(true)
 	NewConfig().SetWasmGC(true)
+	NewConfig().SetWasmComponentModel(true)
 	NewConfig().SetWasmWideArithmetic(true)
 	NewConfig().SetConsumeFuel(true)
 	NewConfig().SetStrategy(StrategyAuto)