Bump nyc from 15.0.1 to 15.1.0 (#180)

Bumps [nyc](https://github.com/istanbuljs/nyc) from 15.0.1 to 15.1.0.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/istanbuljs/nyc/compare/v15.0.1...v15.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

packages/ripple-keypairs/yarn.lock

@@ -1156,6 +1156,11 @@ get-caller-file@^2.0.1:
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
+get-package-type@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/get-package-type/-/get-package-type-0.1.0.tgz#8de2d803cff44df3bc6c456e6668b36c3926e11a"
+  integrity sha512-pjzuKtY64GYfWizNAJ0fr9VqttZkNiK2iS430LtIHzjBEr6bX8Am2zm4sW4Ro5wjWW5cAlRL1qAMTcXbjNAO2Q==
+
 get-stdin@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
@@ -1774,9 +1779,9 @@ normalize-path@^3.0.0, normalize-path@~3.0.0:
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
 
 nyc@^15.0.1:
-  version "15.0.1"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-15.0.1.tgz#bd4d5c2b17f2ec04370365a5ca1fc0ed26f9f93d"
-  integrity sha512-n0MBXYBYRqa67IVt62qW1r/d9UH/Qtr7SF1w/nQLJ9KxvWF6b2xCHImRAixHN9tnMMYHC2P14uo6KddNGwMgGg==
+  version "15.1.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-15.1.0.tgz#1335dae12ddc87b6e249d5a1994ca4bdaea75f02"
+  integrity sha512-jMW04n9SxKdKi1ZMGhvUTHBN0EICCRkHemEoE5jm6mTYcqcdas0ATzgUgejlQUHMvpnOZqGB5Xxsv9KxJW1j8A==
   dependencies:
     "@istanbuljs/load-nyc-config" "^1.0.0"
     "@istanbuljs/schema" "^0.1.2"
@@ -1786,6 +1791,7 @@ nyc@^15.0.1:
     find-cache-dir "^3.2.0"
     find-up "^4.1.0"
     foreground-child "^2.0.0"
+    get-package-type "^0.1.0"
     glob "^7.1.6"
     istanbul-lib-coverage "^3.0.0"
     istanbul-lib-hook "^3.0.0"