fidelity: improved replay of pages with top-level let / const globals, addresses webrecorder/wombat#82 (#190)

deps: bump to wabac.js 2.16.4
bump to 1.8.4

yarn.lock

@@ -756,15 +756,16 @@
   resolved "https://registry.yarnpkg.com/@webpack-cli/serve/-/serve-2.0.1.tgz#34bdc31727a1889198855913db2f270ace6d7bf8"
   integrity sha512-0G7tNyS+yW8TdgHwZKlDWYXFA6OJQnoLCQvYKkQP0Q2X205PSQ6RNUj0M+1OB/9gRQaUZ/ccYfaxd0nhaWKfjw==
 
-"@webrecorder/wabac@^2.16.3":
-  version "2.16.3"
-  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.16.3.tgz#27179e04cac142db2e9eb0e311222778f422cd31"
-  integrity sha512-hXtW8X0iASF/xUNhplvllcV+g1T0N3vUo99ZiSPXCWJFj04zCI7rl500IG+Cuo92X/mwmWhUXZMbnc2NPgdUWw==
+"@webrecorder/wabac@^2.16.4":
+  version "2.16.4"
+  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.16.4.tgz#18a7b33947bd4ed038c7a60f1d43f561b247f52f"
+  integrity sha512-ZlP8csompVd24MJQnSDkLCQStbv0GpbNy0JsTFlV0Podp8GQ5nKOp8ktx5tOvp62M90kdl3jeb+khY+9KeAdFg==
   dependencies:
     "@peculiar/asn1-ecc" "^2.3.4"
     "@peculiar/asn1-schema" "^2.3.3"
     "@peculiar/x509" "^1.9.2"
     "@webrecorder/wombat" "^3.5.2"
+    acorn "^8.9.0"
     auto-js-ipfs "^2.1.1"
     base64-js "^1.5.1"
     brotli "^1.3.3"
@@ -837,6 +838,11 @@ acorn@^8.7.1, acorn@^8.8.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.8.0.tgz#88c0187620435c7f6015803f5539dae05a9dbea8"
   integrity sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==
 
+acorn@^8.9.0:
+  version "8.10.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.10.0.tgz#8be5b3907a67221a81ab23c7889c4c5526b62ec5"
+  integrity sha512-F0SAmZ8iUtS//m8DmCTA0jlh6TDKkHQyK6xc6V4KDTyZKA9dnvX9/3sRTVQrWm79glUAZbnmmNcdYwUIHWVybw==
+
 agent-base@6, agent-base@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.2.tgz#49fff58577cfee3f37176feab4c22e00f86d7f77"