Update dependency nextcloud/server to v25.0.3 (#4996)

Signed-off-by: milkmaker <milkmaker@mailcow.de>

Signed-off-by: milkmaker <milkmaker@mailcow.de>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

helper-scripts/nextcloud.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # renovate: datasource=github-releases depName=nextcloud/server versioning=semver extractVersion=^v(?<version>.*)$
-NEXTCLOUD_VERSION=25.0.2
+NEXTCLOUD_VERSION=25.0.3
 
 for bin in curl dirmngr; do
   if [[ -z $(which ${bin}) ]]; then echo "Cannot find ${bin}, exiting..."; exit 1; fi