Use patched version from ethereumjs block

while ethereumjs/ethereumjs-monorepo#1330 is
    merged

eth2near/eth2near-block-relay/package.json

@@ -20,7 +20,7 @@
     "bn.js": "^5.1.3",
     "eth-object": "near/eth-object#54e03b8aac8208cf724e206d49ffb8bdd30451d7",
     "eth-util-lite": "near/eth-util-lite#master",
-    "@ethereumjs/block": "^3.3.0",
+    "@ethereumjs/block": "mfornet/ethereumjs-block",
     "merkle-patricia-tree": "^2.1.2",
     "prom-client": "^12.0.0",
     "promisfy": "^1.2.0",

yarn.lock

@@ -39,25 +39,24 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@ethereumjs/block@^3.3.0":
+"@ethereumjs/block@mfornet/ethereumjs-block":
   version "3.3.0"
-  resolved "https://registry.yarnpkg.com/@ethereumjs/block/-/block-3.3.0.tgz#a1b3baec831c71c0d9e7f6145f25e919cff4939c"
-  integrity sha512-WoefY9Rs4W8vZTxG9qwntAlV61xsSv0NPoXmHO7x3SH16dwJQtU15YvahPCz4HEEXbu7GgGgNgu0pv8JY7VauA==
+  resolved "https://codeload.github.com/mfornet/ethereumjs-block/tar.gz/675ef04aafdf8a27c8afd9179c557b61e30ce69a"
   dependencies:
-    "@ethereumjs/common" "^2.3.0"
-    "@ethereumjs/tx" "^3.2.0"
+    "@ethereumjs/common" "^2.3.1"
+    "@ethereumjs/tx" "^3.2.1"
     ethereumjs-util "^7.0.10"
     merkle-patricia-tree "^4.2.0"
 
-"@ethereumjs/common@^2.3.0", "@ethereumjs/common@^2.3.1":
+"@ethereumjs/common@^2.3.1":
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/@ethereumjs/common/-/common-2.3.1.tgz#d692e3aff5adb35dd587dd1e6caab69e0ed2fa0b"
   integrity sha512-V8hrULExoq0H4HFs3cCmdRGbgmipmlNzak6Xg34nHYfQyqkSdrCuflvYjyWmsNpI8GtrcZhzifAbgX/1C1Cjwg==
   dependencies:
     crc-32 "^1.2.0"
     ethereumjs-util "^7.0.10"
 
-"@ethereumjs/tx@^3.2.0":
+"@ethereumjs/tx@^3.2.1":
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/@ethereumjs/tx/-/tx-3.2.1.tgz#65f5f1c11541764f08377a94ba4b0dcbbd67739e"
   integrity sha512-i9V39OtKvwWos1uVNZxdVhd7zFOyzFLjgt69CoiOY0EmXugS0HjO3uxpLBSglDKFMRriuGqw6ddKEv+RP1UNEw==