JSPI support in WebAssembly (#3791)

* JSPI feature

* dist and spec exception

* Apply suggestion from @captainbrosset

Author: captainbrosset

features/wasm-jspi.yml

@@ -0,0 +1,6 @@
+name: JavaScript promise integration (WebAssembly)
+description: The JavaScript promise integration (JSPI) suspends a WebAssembly module when the it calls a JavaScript method which returns a promise. The module is resumed when the promise is resolved. You can use this to call asynchronous Web APIs from synchronous WebAssembly.
+spec: https://github.com/WebAssembly/js-promise-integration/blob/main/proposals/js-promise-integration/Overview.md
+group: webassembly
+compat_features:
+  - webassembly.jspi

features/wasm-jspi.yml.dist

@@ -0,0 +1,10 @@
+# Generated from: wasm-jspi.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "137"
+    edge: "137"
+compat_features:
+  - webassembly.jspi

scripts/specs.ts

@@ -104,6 +104,10 @@ const defaultAllowlist: allowlistItem[] = [
         "https://github.com/WebAssembly/exception-handling/blob/main/proposals/exception-handling/legacy/Exceptions.md",
         "Allowed because there is no other specification to link to."
     ],
+    [
+        "https://github.com/WebAssembly/js-promise-integration/blob/main/proposals/js-promise-integration/Overview.md",
+        "Allowed because there is no other specification to link to."
+    ],
     [
         "https://immersive-web.github.io/webvr/spec/1.1/",
         "Allowed because this is the legacy spec that defines WebVR."