build(deps-dev): Bump ajv from 6.12.6 to 7.0.4

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.12.6 to 7.0.4.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](https://github.com/ajv-validator/ajv/compare/v6.12.6...v7.0.4)

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

package.json

@@ -225,7 +225,7 @@
     "@typescript-eslint/parser": "^3.10.1",
     "@typescript-eslint/typescript-estree": "^4.13.0",
     "@vue/test-utils": "^1.1.2",
-    "ajv": "^6.12.6",
+    "ajv": "^7.0.4",
     "all-object-keys": "^2.1.1",
     "babel-eslint": "^10.1.0",
     "babel-jest": "^26.6.3",

yarn.lock

@@ -1946,7 +1946,7 @@ ajv-keywords@^3.0.0, ajv-keywords@^3.1.0, ajv-keywords@^3.4.1, ajv-keywords@^3.5
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.5.2.tgz#31f29da5ab6e00d1c2d329acf7b5929614d5014d"
   integrity sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==
 
-ajv@^6.0.1, ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.0, ajv@^6.12.3, ajv@^6.12.4, ajv@^6.12.5, ajv@^6.12.6:
+ajv@^6.0.1, ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.0, ajv@^6.12.3, ajv@^6.12.4, ajv@^6.12.5:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
   integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
@@ -1956,10 +1956,10 @@ ajv@^6.0.1, ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.0, ajv@^6.12.3, ajv@
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^7.0.2:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.0.3.tgz#13ae747eff125cafb230ac504b2406cf371eece2"
-  integrity sha512-R50QRlXSxqXcQP5SvKUrw8VZeypvo12i2IX0EeR5PiZ7bEKeHWgzgo264LDadUsCU42lTJVhFikTqJwNeH34gQ==
+ajv@^7.0.2, ajv@^7.0.4:
+  version "7.0.4"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.0.4.tgz#827e5f5ae32f5e5c1637db61f253a112229b5e2f"
+  integrity sha512-xzzzaqgEQfmuhbhAoqjJ8T/1okb6gAzXn/eQRNpAN1AEUoHJTNF9xCDRTtf/s3SKldtZfa+RJeTs+BQq+eZ/sw==
   dependencies:
     fast-deep-equal "^3.1.1"
     json-schema-traverse "^1.0.0"