Update all the things for Guzzle 7

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

composer.json

@@ -20,19 +20,20 @@
 		"deepdiver1975/tarstreamer": "v2.0.0",
 		"doctrine/dbal": "2.12.0",
 		"egulias/email-validator": "2.1.25",
-		"guzzlehttp/guzzle": "6.5.5",
+		"guzzlehttp/guzzle": "^7.2",
 		"icewind/searchdav": "^2.0.0",
 		"icewind/streams": "v0.7.2",
 		"league/flysystem": "^1.0",
-		"microsoft/azure-storage-blob": "1.5.0",
+		"microsoft/azure-storage-blob": "^1.5",
 		"nextcloud/lognormalizer": "^1.0",
 		"nikic/php-parser": "^4.2",
 		"patchwork/jsqueeze": "^2.0",
 		"patchwork/utf8": "1.3.1",
 		"pear/archive_tar": "^1.4.9",
 		"pear/pear-core-minimal": "^v1.10",
 		"phpseclib/phpseclib": "2.0.25",
-		"php-opencloud/openstack": "3.0.7",
+		"php-http/guzzle7-adapter": "^0.1.1",
+		"php-opencloud/openstack": "^3.1",
 		"pimple/pimple": "3.2.3",
 		"psr/container": "^1.0",
 		"punic/punic": "^1.6",
@@ -46,7 +47,6 @@
 		"symfony/process": "4.4.18",
 		"symfony/routing": "4.4.18",
 		"symfony/translation": "4.4.18",
-		"php-http/guzzle6-adapter": "^2.0",
 		"web-auth/webauthn-lib": "^3.1",
 		"php-ds/php-ds": "^1.3",
 		"opis/closure": "^3.6",