Bump secp256k1 from 3.7.1 to 3.8.1 in /test/tools

Bumps [secp256k1](https://github.com/cryptocoinjs/secp256k1-node) from 3.7.1 to 3.8.1.
- [Release notes](https://github.com/cryptocoinjs/secp256k1-node/releases)
- [Commits](cryptocoinjs/secp256k1-node@v3.7.1...v3.8.1)

---
updated-dependencies:
- dependency-name: secp256k1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

test/tools/package.json

@@ -8,7 +8,7 @@
     "bitcoinjs-lib": "^5.1.7",
     "elliptic": "^6.5.4",
     "js-sha256": "^0.9.0",
-    "secp256k1": "^3.7.1",
+    "secp256k1": "^3.8.1",
     "secp256r1": "^0.0.3"
   }
 }

test/tools/yarn.lock

@@ -175,10 +175,10 @@ drbg.js@^1.0.1:
     create-hash "^1.1.2"
     create-hmac "^1.1.4"
 
-elliptic@^6.2.3, elliptic@^6.4.0, elliptic@^6.4.1, elliptic@^6.5.4:
-  version "6.5.4"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
-  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+elliptic@^6.2.3, elliptic@^6.4.0, elliptic@^6.5.4, elliptic@^6.5.7:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.6.0.tgz#5919ec723286c1edf28685aa89261d4761afa210"
+  integrity sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"
@@ -260,12 +260,7 @@ minimalistic-crypto-utils@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
-nan@^2.13.2, nan@^2.14.0:
-  version "2.14.0"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
-  integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
-
-nan@^2.2.1:
+nan@^2.13.2, nan@^2.14.0, nan@^2.2.1:
   version "2.14.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
@@ -308,17 +303,17 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
 
-secp256k1@^3.7.1:
-  version "3.7.1"
-  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.7.1.tgz#12e473e0e9a7c2f2d4d4818e722ad0e14cc1e2f1"
-  integrity sha512-1cf8sbnRreXrQFdH6qsg2H71Xw91fCCS9Yp021GnUNJzWJS/py96fS4lHbnTnouLp08Xj6jBoBB6V78Tdbdu5g==
+secp256k1@^3.8.1:
+  version "3.8.1"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.8.1.tgz#b62a62a882d6b16f9b51fe599c6b3a861e36c59f"
+  integrity sha512-tArjQw2P0RTdY7QmkNehgp6TVvQXq6ulIhxv8gaH6YubKG/wxxAoNKcbuXjDhybbc+b2Ihc7e0xxiGN744UIiQ==
   dependencies:
     bindings "^1.5.0"
     bip66 "^1.1.5"
     bn.js "^4.11.8"
     create-hash "^1.2.0"
     drbg.js "^1.0.1"
-    elliptic "^6.4.1"
+    elliptic "^6.5.7"
     nan "^2.14.0"
     safe-buffer "^5.1.2"