fix: bump ajv-formats from 0.6.1 to 1.5.1 (#255)

Bumps [ajv-formats](https://github.com/ajv-validator/ajv-formats) from 0.6.1 to 1.5.1.
- [Release notes](https://github.com/ajv-validator/ajv-formats/releases)
- [Commits](ajv-validator/ajv-formats@v0.6.1...v1.5.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Golo Roden <golo.roden@thenativeweb.io>

package.json

@@ -24,7 +24,7 @@
   "types": "build/lib/index.d.ts",
   "dependencies": {
     "ajv": "7.0.0",
-    "ajv-formats": "0.6.1",
+    "ajv-formats": "1.5.1",
     "json-schema": "0.2.5"
   },
   "devDependencies": {