[feature] Expose PHP version support states and dates as JSON

[Tom32i]

Why

Expose PHP version support states for the community and PHP monitoring tools.

How

Expose a new JSON page /releases/states (in the spirit of /releases/active) listing all PHP Branch and their support state.

Preview

https://www.php.net/releases/states

{
	"8": {
		"8.2": {
			"state": "stable",
			"initial_release": "2022-12-08T00:00:00+00:00",
			"active_support_end": "2024-12-08T00:00:00+00:00",
			"security_support_end": "2025-12-08T00:00:00+00:00"
		},
		"8.1": {
			"state": "stable",
			"initial_release": "2021-11-25T00:00:00+00:00",
			"active_support_end": "2023-11-25T00:00:00+00:00",
			"security_support_end": "2024-11-25T00:00:00+00:00"
		},
		"8.0": {
			"state": "security",
			"initial_release": "2020-11-26T00:00:00+00:00",
			"active_support_end": "2022-11-26T00:00:00+00:00",
			"security_support_end": "2023-11-26T00:00:00+00:00"
		}
	},
	"7": {
		"7.4": {
			"state": "eol",
			"initial_release": "2019-11-28T00:00:00+00:00",
			"active_support_end": "2021-11-28T00:00:00+00:00",
			"security_support_end": "2022-11-28T00:00:00+00:00"
		},
		"7.3": {
			"state": "eol",
			"initial_release": "2018-12-06T00:00:00+00:00",
			"active_support_end": "2020-12-06T00:00:00+00:00",
			"security_support_end": "2021-12-06T00:00:00+00:00"
		},
		"7.2": {
			"state": "eol",
			"initial_release": "2017-11-30T00:00:00+00:00",
			"active_support_end": "2019-11-30T00:00:00+00:00",
			"security_support_end": "2020-11-30T00:00:00+00:00"
		},
		"7.1": {
			"state": "eol",
			"initial_release": "2016-12-01T00:00:00+00:00",
			"active_support_end": "2018-12-01T00:00:00+00:00",
			"security_support_end": "2019-12-01T00:00:00+00:00"
		},
		"7.0": {
			"state": "eol",
			"initial_release": "2015-12-03T00:00:00+00:00",
			"active_support_end": "2018-01-04T00:00:00+00:00",
			"security_support_end": "2019-01-10T00:00:00+00:00"
		}
	},
	...
}

TODO

• Implementation
• make tests passes ✅
• make coding-standards passes ✅