Bump ajv from 6.10.2 to 6.12.6

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.10.2 to 6.12.6.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](https://github.com/ajv-validator/ajv/compare/v6.10.2...v6.12.6)

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

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

package-lock.json

@@ -39,15 +39,23 @@
 			"dev": true
 		},
 		"ajv": {
-			"version": "6.10.2",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-			"integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+			"version": "6.12.6",
+			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+			"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
 			"dev": true,
 			"requires": {
-				"fast-deep-equal": "^2.0.1",
+				"fast-deep-equal": "^3.1.1",
 				"fast-json-stable-stringify": "^2.0.0",
 				"json-schema-traverse": "^0.4.1",
 				"uri-js": "^4.2.2"
+			},
+			"dependencies": {
+				"fast-deep-equal": {
+					"version": "3.1.3",
+					"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+					"integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+					"dev": true
+				}
 			}
 		},
 		"alphanum-sort": {
@@ -2320,12 +2328,6 @@
 				"time-stamp": "^1.0.0"
 			}
 		},
-		"fast-deep-equal": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-			"integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
-			"dev": true
-		},
 		"fast-json-stable-stringify": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",