chore: Bump plasmoid version 0.7.0 and target backend 2.1.0

Author: luisbocanegra

src/plasmoid/package/contents/ui/FullRepresentation.qml

@@ -35,7 +35,7 @@ ColumnLayout {
     property string backendVersionCommand: execPath + ' --version'
     property string backendVersion: ""
     property string backendVersionDisplay: backendVersion !== "" ? backendVersion : "unknown"
-    property string recommendedVersion: "2.0.0"
+    property string recommendedVersion: "2.1.0"
     property string versionStatus: "same"
     property string versionMessage: "You're using a " + versionStatus + " version of the backend (<strong>" + backendVersionDisplay + "</strong>) than this widget version was written for (<strong>" + recommendedVersion + "</strong>). Some features may be missing or not work as intended. You can find the latest versions of the widget <a href='https://store.kde.org/p/2136963'>here</a> and the backend <a href='https://github.com/luisbocanegra/kde-material-you-colors'>here</a>."
     property bool showVersionMessage: false

src/plasmoid/package/metadata.json

@@ -14,7 +14,7 @@
         "Icon": "preferences-desktop-theme-global",
         "License": "GPL-3.0",
         "Name": "KDE Material You Colors",
-        "Version": "0.6.0",
+        "Version": "0.7.0",
         "Website": "https://github.com/luisbocanegra/kde-material-you-colors"
     },
     "X-Plasma-NotificationArea": true,