Bump async from 2.6.3 to 2.6.4 in /packages/connect-tokens/subgraph

Bumps [async](https://github.com/caolan/async) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/caolan/async/releases)
- [Changelog](https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md)
- [Commits](caolan/async@v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: async
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/connect-tokens/subgraph/yarn.lock

@@ -249,9 +249,10 @@ asn1@~0.2.3:
   dependencies:
     safer-buffer "~2.1.0"
 
-"assemblyscript@git+https://github.com/AssemblyScript/assemblyscript.git#36040d5b5312f19a025782b5e36663823494c2f3":
+"assemblyscript@https://github.com/AssemblyScript/assemblyscript#36040d5b5312f19a025782b5e36663823494c2f3":
   version "0.6.0"
-  resolved "git+https://github.com/AssemblyScript/assemblyscript.git#36040d5b5312f19a025782b5e36663823494c2f3"
+  uid "36040d5b5312f19a025782b5e36663823494c2f3"
+  resolved "https://github.com/AssemblyScript/assemblyscript#36040d5b5312f19a025782b5e36663823494c2f3"
   dependencies:
     "@protobufjs/utf8" "^1.1.0"
     binaryen "77.0.0-nightly.20190407"
@@ -266,9 +267,9 @@ assert-plus@1.0.0, assert-plus@^1.0.0:
   integrity sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=
 
 async@^2.6.1, async@^2.6.2, async@^2.6.3:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
-  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
     lodash "^4.17.14"
 
@@ -2000,9 +2001,9 @@ lodash.upperfirst@^4.3.1:
   integrity sha1-E2Xt9DFIBIHvDRxolXpe2Z1J984=
 
 lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^3.0.0:
   version "3.0.0"