Bump to 0.40.0 (#143)

Author: alexcrichton

README.md

@@ -25,7 +25,7 @@
 ## Installation
 
 ```sh
-go get -u github.com/bytecodealliance/wasmtime-go@v0.39.0
+go get -u github.com/bytecodealliance/wasmtime-go@v0.40.0
 ```
 
 Be sure to check out the [API documentation][api]!
@@ -48,7 +48,7 @@ If you are a bazel user, add following to your WORKSPACE file:
 go_repository(
     name = "com_github_bytecodealliance_wasmtime_go",
     importpath = "github.com/bytecodealliance/wasmtime-go",
-    version = "v0.39.0",
+    version = "v0.40.0",
 )
 ```
 

ci/download-wasmtime.py

@@ -10,7 +10,7 @@
 import glob
 
 
-version = '0.39.1'
+version = '0.40.0'
 urls = [
     ['wasmtime-v{}-x86_64-mingw-c-api.zip', 'windows-x86_64'],
     ['wasmtime-v{}-x86_64-linux-c-api.tar.xz', 'linux-x86_64'],