use latest version of fastly/spidermonkey-wasi-embedding which includes byob support

Jake Champion · JakeChampion · commit cdcb4fcb5e4c · 2023-04-11T15:15:03.000+01:00
diff --git a/c-dependencies/spidermonkey b/c-dependencies/spidermonkey
@@ -1 +1 @@
-Subproject commit 05b69242b5724257d456365c292dd8f66686f6da
+Subproject commit de3ecf339499b35c0c81a186ce054a16d3917bcd
