message: Update SDK to bitgo@^8.2.2
diff: {
  "name": "@bitgo/express",
  - "version": "8.2.1",
  + "version": "8.2.2",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
  }
  },
  "bitgo": {
  - "version": "8.2.1",
  - "resolved": "https://registry.npmjs.org/bitgo/-/bitgo-8.2.1.tgz",
  - "integrity": "sha512-vhGT+fa4bqxIWBVidTipZpDlu4rV96NS89bMitzwsALUuBFa1aPQGa1QFO5btznvbv0Quz8ET+jOKkCT/Cmosg==",
  + "version": "8.2.2",
  + "resolved": "https://registry.npmjs.org/bitgo/-/bitgo-8.2.2.tgz",
  + "integrity": "sha512-zqw6Au40JJHGSdTQspa6mOQg4+/v5yBnp2jO43XOOxS0/6sLZ8jo34PuhhBx8WOVvHHKWuIilkzjXHF9TztWqw==",
  "requires": {
  "@bitgo/statics": "^2.1.0",
  "@bitgo/unspents": "^0.6.0",
  "integrity": "sha1-6neMKwnTPC5WT9khRwdnUEg+uyw="
  },
  "data-uri-to-buffer": {
  - "version": "2.0.1",
  - "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-2.0.1.tgz",
  - "integrity": "sha512-OkVVLrerfAKZlW2ZZ3Ve2y65jgiWqBKsTfUIAFbn8nVbPcCZg6l6gikKlEYv0kXcmzqGm6mFq/Jf2vriuEkv8A==",
  - "requires": {
  - "@types/node": "^8.0.7"
  - },
  - "dependencies": {
  - "@types/node": {
  - "version": "8.10.54",
  - "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.54.tgz",
  - "integrity": "sha512-kaYyLYf6ICn6/isAyD4K1MyWWd5Q3JgH6bnMN089LUx88+s4W8GvK9Q6JMBVu5vsFFp7pMdSxdKmlBXwH/VFRg=="
  - }
  - }
  + "version": "2.0.2",
  + "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-2.0.2.tgz",
  + "integrity": "sha512-ND9qDTLc6diwj+Xe5cdAgVTbLVdXbtxTJRXRhli8Mowuaan+0EJOtdqJ0QCHNSSPyoXGx9HX2/VMnKeC34AChA=="
  },
  "date-fns": {
  "version": "1.30.1",
  