Bump tiny-secp256k1 to version supporting node 12

package-lock.json

@@ -731,9 +731,9 @@
       "dev": true
     },
     "nan": {
-      "version": "2.12.1",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.12.1.tgz",
-      "integrity": "sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw=="
+      "version": "2.14.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
     },
     "nyc": {
       "version": "13.3.0",
@@ -1936,15 +1936,15 @@
       }
     },
     "tiny-secp256k1": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.0.1.tgz",
-      "integrity": "sha512-Wz2kMPWtCI5XBftFeF3bUL8uz2+VlasniKwOkRPjvL7h1QVd9rbhrve/HWUu747kJKzVf1XHonzcdM4Ut8fvww==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.1.1.tgz",
+      "integrity": "sha512-jA9WalQuhKun1svJrAVi9Vu8aUWKMfR7nMV903kHjrHTTY/IFa0petSq+Jk/Mv447dGD9LC8fGsmGRubBbcNng==",
       "requires": {
         "bindings": "^1.3.0",
         "bn.js": "^4.11.8",
         "create-hmac": "^1.1.7",
         "elliptic": "^6.4.0",
-        "nan": "^2.10.0"
+        "nan": "^2.13.2"
       }
     },
     "to-fast-properties": {

package.json

@@ -54,7 +54,7 @@
     "merkle-lib": "^2.0.10",
     "pushdata-bitcoin": "^1.0.1",
     "randombytes": "^2.0.1",
-    "tiny-secp256k1": "^1.0.0",
+    "tiny-secp256k1": "^1.1.1",
     "typeforce": "^1.11.3",
     "varuint-bitcoin": "^1.0.4",
     "wif": "^2.0.1"