…mands output (chalasr)This PR was merged into the 2.7 branch.Discussion----------[Yaml][TwigBridge] Use JSON_UNESCAPED_SLASHES for lint commands output| Q             | A| ------------- | ---| Branch?       | 2.7| Bug fix?      | yes| New feature?  | no| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets | n/a| License       | MIT| Doc PR        | n/aSlashes are escaped when sing the `lint:twig` and `lint:yaml` commands with the `format` option set to `json`, giving such results:```json[    {        "file": "yaml\/wrong\/1.yml",        "valid": false,        "message": "Unable to parse at line 1 (near \";:cc`\")."    }]```That's not convenient as file paths may be reused (e.g. copy-pasted).Results stay fine as error messages are already escaped:```json[    {        "file": "yaml/wrong/1.yml",        "valid": false,        "message": "Unable to parse at line 1 (near \";:cc`\")."    }]```Commits-------0427594 Use JSON_UNESCAPED_SLASHES for lint commands output

This PR was merged into the 3.2-dev branch.Discussion----------[Yaml] Port of#19922 for 3.2| Q             | A| ------------- | ---| Branch?       | master| Tests pass?   | yes| License       | MITThe command has been moved in 3.2 so the new path is unmerged.Commits-------017e88b [Yaml] Port of#19922 for 3.2