[TASK] Synchronize composer.json with ext_emconf.php

Description, dependencies between core packages and
core package versions are now in sync in ext_emconf.php
and composer.json

Now also added extension key information explicitly
in composer.json

What still should be done later is adding further
dependencies to these files if required.

This change was mostly automated using
helhum/ext-tools with the command:

typo3cms composerjson:sync 'typo3/sysext/*'

Resolves: #82003
Releases: master, 8.7
Change-Id: Ife913038142e8ecc137d21d4d43e2cdf467fb0f9
Reviewed-on: https://review.typo3.org/53621
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Philipp Gampe <philipp.gampe@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>

composer.json

@@ -1,12 +1,17 @@
 {
 	"name": "typo3/cms-feedit",
 	"type": "typo3-cms-framework",
-	"description": "TYPO3 Core",
+	"description": "",
 	"homepage": "https://typo3.org",
-	"license": ["GPL-3.0+"],
+	"license": ["GPL-2.0+"],
+	"authors": [{
+			"name": "TYPO3 Core Team",
+			"email": "typo3cms@typo3.org",
+			"role": "Developer"
+		}],
 
 	"require": {
-		"typo3/cms-core": "*"
+		"typo3/cms-core": ">=9.0.0 <=9.0.99"
 	},
 	"conflict": {
 		"typo3/cms": "*"
@@ -17,6 +22,9 @@
 	"extra": {
 		"branch-alias": {
 			"dev-master": "9.x-dev"
+		},
+		"typo3/cms": {
+			"extension-key": "feedit"
 		}
 	},
 	"autoload": {