Update wasm related dependencies (#102)

* Update wasm related dependencies

* Remove isyswasfa related code

* wip: attempt to upgrade wasmtime

* fix tests; bump version to 0.14.0

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* address clippy's latest concerns

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* switch back to upstream `component-init` and `wasm-convert` deps

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

---------

Signed-off-by: Joel Dice <joel.dice@fermyon.com>
Co-authored-by: Joel Dice <joel.dice@fermyon.com>

Author: benbrandt

.gitignore

@@ -11,3 +11,5 @@ examples/http/.spin
 examples/http/http.wasm
 examples/tcp/tcp.wasm
 examples/cli/cli.wasm
+examples/sandbox/sandbox
+examples/sandbox/sandbox.wasm