Sync with the latest wasi-proposal-template

https://github.com/WebAssembly/wasi-proposal-template
commit 6601e1064e381370f4f66d1db2d0ccaa006220b6

Author: yamt

.github/workflows/main.yml

@@ -11,6 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: WebAssembly/wit-abi-up-to-date@v2
+    - uses: WebAssembly/wit-abi-up-to-date@v6
       with:
-        wit-abi-tag: wit-abi-0.1.0
+        wit-abi-tag: wit-abi-0.6.0

proposal-template.abi.md

@@ -27,5 +27,5 @@ Size: 16, Alignment: 8
   Explanation for developers using the API.
 ##### Results
 
-- <a href="#api_function_one." name="api_function_one."></a> ``: [`api-type-one`](#api_type_one)
+- [`api-type-one`](#api_type_one)
 

proposal-template.wit.md

@@ -26,7 +26,7 @@ More rigorous specification details for the implementer go here, if needed.
 /// Short description
 ///
 /// Explanation for developers using the API.
-api-function-one: function() -> api-type-one
+api-function-one: func() -> api-type-one
 ```
 
 If needed, this would explain what a compliant implementation MUST do, such as never returning an earlier result from a later call.