Fixed CTs: gitea,nextcloud,transfersh and updated the AlpinePHPTool

CT: gitea
  Fixed broken curl command for downloading gitea

CT: nextcloud
  Forced PHP Version to 8.3 using update AlpinePHPTool

CT: transfersh
  Fixed custom theme by downloading the release tar.gz instead of cloneing the repo,
  it is now also added to the update script

Script: AlpinePHPTool
  Added ability to specify a PHP Version

CT-Build/Alpine.yaml

@@ -275,7 +275,6 @@ files:
     To setup this container run the FirstRun script `/opt/Setup/Scripts/FirstRun.sh`
   variants:
   - nginx
-  - heimdall
 
 #PHP SetupScript
 - path: /opt/Setup/Scripts/PHPTool.sh
@@ -453,7 +452,7 @@ packages:
   #PKGS for Transfersh
   - packages:
     - curl
-    - git
+    - jq
     action: install
     variants:
     - transfersh