Update ajv cli

Author: nickdnk

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
         run: npm install -g ajv-cli # Package page: <https://www.npmjs.com/package/ajv-cli>
 
       - name: Run linter
-        run: ajv validate --all-errors --verbose -s ./schemas/config/3.0.schema.json -d ./.rr.yaml
+        run: ajv validate --all-errors --verbose -s ./schemas/config/3.0.schema.json --spec=draft2019 -d ./.rr.yaml
 
   golangci-lint:
     name: Golang-CI (lint)

schemas/readme.md

@@ -7,9 +7,10 @@ This directory contains public schemas for the most important parts of applicati
 - You can validate existing config file using the following command:
 
  ```bash
-docker run --rm -v "$(pwd):/src" -w "/src" node:14-alpine sh -c \
+docker run --rm -v "$(pwd):/src" -w "/src" node:20-alpine sh -c \
      "npm install -g ajv-cli && \
      ajv validate --all-errors --verbose \
        -s ./schemas/config/3.0.schema.json \
+       --spec=draft2019 \
        -d ./.rr*.y*ml"
  ```