deliveryservice_requests in TO API uses non-RFC3339 date/time strings

[jagan-parthiban]

Parent Issue: #5911

Breaking down the parent issue #5911 in smaller issues to raise separate, reviewable PRs for each of the services.

Traffic Control components affected:

• Traffic Ops
• Documentation

Expected behavior:

deliveryservice_requests to Use RFC3339 Format

GET /api/5.0/deliveryservice_requests?status=draft HTTP/1.1
Host: https://localhost:8443
Content-Length: 0
Accept: application/json
Cookie: mojolicious=...


HTTP/1.1 200 OK
Content-Type: application/json
Transfer-Encoding: chunked

{
	"response": [
		{
			"assignee": null,
			"author": "admin",
			"changeType": "update",
			"createdAt": "2023-06-09T10:55:00.918782+05:30",
			"id": 5,
			"lastEditedBy": "admin",
			"lastUpdated": "2023-06-09T10:55:00.918782+05:30",
			"requested": {
				"active": "INACTIVE",
				"anonymousBlockingEnabled": false,
				"ccrDnsTtl": null,
				"cdnId": 2,
				"cdnName": "cdn1",
				"checkPath": null,
				"consistentHashQueryParams": [
					"abc",
					"pdq",
					"xxx",
					"zyx"
				],
				"consistentHashRegex": null,
				"deepCachingType": "NEVER",
				"displayName": "dsempty",
				"dnsBypassCname": null,
				"dnsBypassIp": null,
				"dnsBypassIp6": null,
				"dnsBypassTtl": null,
				"dscp": 0,
				"ecsEnabled": false,
				"edgeHeaderRewrite": null,
				"exampleURLs": [
					"http://video.demo1.mycdn.ciab.test",
					"https://video.demo1.mycdn.ciab.test"
				],
				"firstHeaderRewrite": null,
				"fqPacingRate": null,
				"geoLimit": 0,
				"geoLimitCountries": null,
				"geoLimitRedirectURL": null,
				"geoProvider": 0,
				"globalMaxMbps": null,
				"globalMaxTps": null,
				"httpBypassFqdn": null,
				"id": 1,
				"infoUrl": null,
				"initialDispersion": 1,
				"innerHeaderRewrite": null,
				"ipv6RoutingEnabled": true,
				"lastHeaderRewrite": null,
				"lastUpdated": "2023-06-09T10:51:00+05:30",
				"logsEnabled": true,
				"longDesc": "Apachecon North America 2018",
				"matchList": [
					{
						"type": "HOST_REGEXP",
						"setNumber": 0,
						"pattern": ".*\\.demo1\\..*"
					}
				],
				"maxDnsAnswers": null,
				"maxOriginConnections": 0,
				"maxRequestHeaderBytes": 0,
				"midHeaderRewrite": null,
				"missLat": 42,
				"missLong": -88,
				"multiSiteOrigin": false,
				"originShield": null,
				"orgServerFqdn": "http://origin.infra.ciab.test",
				"profileDescription": null,
				"profileId": null,
				"profileName": null,
				"protocol": 2,
				"qstringIgnore": 0,
				"rangeRequestHandling": 0,
				"rangeSliceBlockSize": null,
				"regexRemap": null,
				"regional": false,
				"regionalGeoBlocking": false,
				"remapText": null,
				"requiredCapabilities": null,
				"routingName": "video",
				"serviceCategory": null,
				"signed": false,
				"signingAlgorithm": null,
				"sslKeyVersion": 1,
				"tenant": "root",
				"tenantId": 1,
				"tlsVersions": null,
				"topology": null,
				"trResponseHeaders": null,
				"trRequestHeaders": null,
				"type": "HTTP",
				"typeId": 1,
				"xmlId": "dsempty"
			},
			"status": "draft"
		}
	]
}

Steps to reproduce:

Make the above api call to version 5.0.