use the version of gecko-dev which uses arc4randombuf when compiled to wasi

Author: Jake Champion

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "c-dependencies/spidermonkey"]
 	path = c-dependencies/spidermonkey
-	url = https://github.com/tschneidereit/spidermonkey-wasi-embedding.git
+	url = https://github.com/fastly/spidermonkey-wasi-embedding.git
 	shallow = true
 [submodule "tests/wpt-harness/wpt"]
 	path = tests/wpt-harness/wpt

c-dependencies/spidermonkey

@@ -48,7 +48,7 @@
     "status": 1
   },
   "Fetch with POST with text body on 421 response should be retried once on new connection.": {
-    "status": 1
+    "status": 0
   },
   "Streaming upload shouldn't work on Http/1.1.": {
     "status": 1

tests/wpt-harness/expectations/fetch/api/basic/request-upload.any.js.json

@@ -6,7 +6,7 @@
     "status": 1
   },
   "Fetch with POST with ReadableStream on 421 response should return the response and not retry.": {
-    "status": 0
+    "status": 1
   },
   "Feature detect for POST with ReadableStream": {
     "status": 1

tests/wpt-harness/expectations/fetch/api/basic/request-upload.h2.any.js.json

@@ -12,10 +12,10 @@
     "status": 0
   },
   "RequestCache \"reload\" mode does store the response in the cache with Etag and stale response": {
-    "status": 0
+    "status": 1
   },
   "RequestCache \"reload\" mode does store the response in the cache with Last-Modified and stale response": {
-    "status": 0
+    "status": 1
   },
   "RequestCache \"reload\" mode does store the response in the cache with Etag and fresh response": {
     "status": 1
@@ -24,10 +24,10 @@
     "status": 1
   },
   "RequestCache \"reload\" mode does store the response in the cache even if a previous response is already stored with Etag and stale response": {
-    "status": 0
+    "status": 1
   },
   "RequestCache \"reload\" mode does store the response in the cache even if a previous response is already stored with Last-Modified and stale response": {
-    "status": 0
+    "status": 1
   },
   "RequestCache \"reload\" mode does store the response in the cache even if a previous response is already stored with Etag and fresh response": {
     "status": 1