update block grid panel name (#13325)

Co-authored-by: Jacob Overgaard <752371+iOvergaard@users.noreply.github.com>

src/Umbraco.Core/EmbeddedResources/Lang/en_us.xml

@@ -2914,7 +2914,7 @@ To manage your website, simply open the Umbraco backoffice and start adding cont
     <key alias="tabBlockTypeSettings">Settings</key>
     <key alias="tabAreas">Areas</key>
     <key alias="tabAdvanced">Advanced</key>
-    <key alias="headlineAllowance">permissions</key>
+    <key alias="headlineAllowance">Permissions</key>
     <key alias="getSampleHeadline">Install Sample Configuration</key>
     <key alias="getSampleDescription"><![CDATA[This will add basic Blocks and help you get started with the Block Grid Editor. You'll get Blocks for Headline, Rich Text, Image, as well as a Two Column Layout.]]></key>
     <key alias="getSampleButton">Install</key>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/blockgrid/prevalue/blockgrid.blockconfiguration.overlay.html

@@ -200,7 +200,7 @@
                     <div class="umb-group-panel umb-block-grid-block-configuration__umb-group-panel">
 
                         <div class="umb-group-panel__header">
-                            <localize key="blockEditor_headlineAllowance">Allowance</localize>
+                            <localize key="blockEditor_headlineAllowance">Permissions</localize>
                         </div>
 
                         <div class="umb-group-panel__content">