Bump ajv from 6.12.0 to 6.12.6

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.12.0 to 6.12.6.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.12.0...v6.12.6)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 6.12.6
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -510,9 +510,9 @@ aggregate-error@^3.0.0:
     indent-string "^4.0.0"
 
 ajv@^6.10.0, ajv@^6.10.2:
-  version "6.12.0"
-  resolved "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz"
-  integrity sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
   dependencies:
     fast-deep-equal "^3.1.1"
     fast-json-stable-stringify "^2.0.0"
@@ -701,6 +701,14 @@ bottleneck@^2.18.1:
   resolved "https://registry.npmjs.org/bottleneck/-/bottleneck-2.19.5.tgz"
   integrity sha512-VHiNCbI1lKdl44tGrhNfU3lup0Tj/ZBMJB5/2ZbNXRCPuRCO7ed2mgcK4r17y+KB2EfuYuRaVlwNbAeaWGSpbw==
 
+brace-expansion@^1.1.7:
+  version "1.1.12"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.12.tgz#ab9b454466e5a8cc3a187beaad580412a9c5b843"
+  integrity sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
 brace-expansion@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.1.tgz#1edc459e0f0c548486ecf9fc99f2221364b9a0ae"
@@ -712,7 +720,6 @@ braces@^3.0.2, braces@~3.0.2:
   version "3.0.2"
   resolved "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz"
   integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
-
   dependencies:
     fill-range "^7.1.1"
 
@@ -1881,14 +1888,7 @@ git-log-parser@^1.2.0:
     through2 "~2.0.0"
     traverse "~0.6.6"
 
-glob-parent@^5.0.0, glob-parent@^5.1.0, glob-parent@~5.1.0:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
-  integrity sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==
-  dependencies:
-    is-glob "^4.0.1"
-
-glob-parent@^5.1.2:
+glob-parent@^5.0.0, glob-parent@^5.1.0, glob-parent@^5.1.2, glob-parent@~5.1.0:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
   integrity sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==
@@ -2700,7 +2700,7 @@ lodash.uniqby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.npmjs.org/lodash.uniqby/-/lodash.uniqby-4.7.0.tgz"
   integrity sha1-2ZwHpmnp5tJOE2Lf4mbGdhavEwI=
-  
+
 lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21, lodash@^4.17.4:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
@@ -4588,11 +4588,6 @@ to-regex-range@^5.0.1:
   dependencies:
     is-number "^7.0.0"
 
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
-  integrity sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=
-
 tr46@~0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"