chore: update Nextcloud to 30.0.17

.github/workflows/scan.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   build:
     name: Scan current image & report results
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     steps:
       - name: Checkout code
         uses: actions/checkout@v2

Dockerfile

@@ -1,5 +1,5 @@
 # -------------- Build-time variables --------------
-ARG NEXTCLOUD_VERSION=31.0.3
+ARG NEXTCLOUD_VERSION=30.0.17
 ARG PHP_VERSION=8.3
 ARG NGINX_VERSION=1.26
 
@@ -10,8 +10,8 @@ ARG SNUFFLEUPAGUS_VERSION=0.10.0
 ARG UID=1000
 ARG GID=1000
 
-# nextcloud-31.0.3.tar.bz2
-ARG SHA256_SUM="9283aebd8fda5ad739cda56f7cabaa835cc3bf98f79536c36dccd7309e2b305a"
+# nextcloud-30.0.17.tar.bz2
+ARG SHA256_SUM="afa55728ed0a17257803d36373551f0fe429dd14abea410a24626e6ca424231b"
 
 # Nextcloud Security <security@nextcloud.com> (D75899B9A724937A)
 ARG GPG_FINGERPRINT="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"