fix(deps): update dependency @truffle/contract to v4.1.15

package.json

@@ -26,7 +26,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "@truffle/contract": "4.1.14",
+    "@truffle/contract": "4.1.15",
     "bn.js": "5.1.1",
     "date-fns": "2.11.1",
     "lodash": "^4.17.15",

yarn.lock

@@ -3288,10 +3288,10 @@
     crypto-js "^3.1.9-1"
     debug "^4.1.0"
 
-"@truffle/[email protected].14":
-  version "4.1.14"
-  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.1.14.tgz#1fe30d17ddee573390c81a2dc2b1b2d5b3cbad86"
-  integrity sha512-rXopHO62w0tnQ+aD2X5FANvopzfD3/lXTiuY7pU0GnHPpCjlj00fG/oh1FAEevQiTLKZaJXiHftWg1tbPAcZ5w==
+"@truffle/[email protected].15":
+  version "4.1.15"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.1.15.tgz#c82ef6e98e02d069f3cbf9c6d2fc88e142769ad1"
+  integrity sha512-3LHxoVYBziLguvPq6u0VdZsc1l2OIXjDuVGJDYdddfKuDNX/2NuH1JYRP2FM0PA8OYBuGyFolmlldPWRzuucng==
   dependencies:
     "@truffle/blockchain-utils" "^0.0.18"
     "@truffle/contract-schema" "^3.0.23"