chore(deps-dev): bump husky from 2.5.0 to 2.6.0 (react-bootstrap#3960)

Author: dependabot-preview[bot]

yarn.lock

@@ -4302,14 +4302,15 @@ https-proxy-agent@^2.2.1:
     debug "^3.1.0"
 
 husky@^2.1.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/husky/-/husky-2.5.0.tgz#fe9839e118e5d88e3f1d7121d52564745615815e"
-  integrity sha512-/aQIBaVMuzGi5X5BPliDPbHE+G+HDpWV7Zu28DiiXFMvHQcOeTsEnODWIGKyGBp7GM7rOgkxQdF+6AEo6xNtkw==
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/husky/-/husky-2.6.0.tgz#0f7ad7ad2662909ca89e2978efa86584873bc7bd"
+  integrity sha512-AbBod6i0qmaPv/fb9XjOR+m/cJ6MKToLpJh+pYV8Pl7VKvOWvCXpjQK1MkFC4XLoxGX6mqBFfA/H5ugxUd9nLg==
   dependencies:
     cosmiconfig "^5.2.1"
     execa "^1.0.0"
     get-stdin "^7.0.0"
     is-ci "^2.0.0"
+    opencollective-postinstall "^2.0.2"
     pkg-dir "^4.2.0"
     please-upgrade-node "^3.1.1"
     read-pkg "^5.1.1"
@@ -6062,6 +6063,11 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+opencollective-postinstall@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz#5657f1bede69b6e33a45939b061eb53d3c6c3a89"
+  integrity sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw==
+
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"