Bump ajv from 6.12.6 to 7.2.3 in /tests

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.12.6 to 7.2.3.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.12.6...v7.2.3)

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

Author: dependabot[bot]

tests/package.json

@@ -30,7 +30,7 @@
     "@types/tail": "^2.0.0",
     "@types/tmp": "^0.2.0",
     "@types/urijs": "^1.19.14",
-    "ajv": "^6.12.6",
+    "ajv": "^7.2.3",
     "axios": "^0.21.1",
     "bitcoin-core": "^3.0.0",
     "bitcoinjs-lib": "^5.2.0",

tests/yarn.lock

@@ -1134,7 +1134,7 @@ aes-js@3.0.0:
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
   integrity sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
 
-ajv@^6.12.3, ajv@^6.12.6:
+ajv@^6.12.3:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
   integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
@@ -1144,6 +1144,16 @@ ajv@^6.12.3, ajv@^6.12.6:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^7.2.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.2.3.tgz#ca78d1cf458d7d36d1c3fa0794dd143406db5772"
+  integrity sha512-idv5WZvKVXDqKralOImQgPM9v6WOdLNa0IY3B3doOjw/YxRGT8I+allIJ6kd7Uaj+SF1xZUSU+nPM5aDNBVtnw==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    json-schema-traverse "^1.0.0"
+    require-from-string "^2.0.2"
+    uri-js "^4.2.2"
+
 ansi-escapes@^4.2.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-4.3.1.tgz#a5c47cc43181f1f38ffd7076837700d395522a61"
@@ -3725,6 +3735,11 @@ json-schema-traverse@^0.4.1:
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
   integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
 
+json-schema-traverse@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz#ae7bcb3656ab77a73ba5c49bf654f38e6b6860e2"
+  integrity sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==
+
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
@@ -4705,6 +4720,11 @@ require-directory@^2.1.1:
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
   integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
 
+require-from-string@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
+  integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
+
 require-main-filename@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"