chore: update Nextcloud to 26.0.12

Nextcloud now prevents loading external entities by using libxml_set_external_entity_loader.

ref:
https://github.com/nextcloud/server/pull/39490
https://github.com/hoellen/docker-nextcloud/issues/42

.github/workflows/build.yml

@@ -3,7 +3,7 @@ name: build
 on:
   workflow_dispatch:
   push:
-    branches: [ version-25 ]
+    branches: [ version-26 ]
   schedule:
     # Build the image regularly (each Friday)
     - cron: '23 04 * * 5'

Dockerfile

@@ -1,17 +1,17 @@
 # -------------- Build-time variables --------------
-ARG NEXTCLOUD_VERSION=25.0.13
+ARG NEXTCLOUD_VERSION=26.0.12
 ARG PHP_VERSION=8.1
-ARG NGINX_VERSION=1.22
+ARG NGINX_VERSION=1.24
 
 ARG ALPINE_VERSION=3.17
 ARG HARDENED_MALLOC_VERSION=11
-ARG SNUFFLEUPAGUS_VERSION=0.8.3
+ARG SNUFFLEUPAGUS_VERSION=0.9.0
 
 ARG UID=1000
 ARG GID=1000
 
-# nextcloud-25.0.13.tar.bz2
-ARG SHA256_SUM="387bac148a696244f1ec02698a082d408283a875b3de85eb9719dd4493eebe33"
+# nextcloud-26.0.12.tar.bz2
+ARG SHA256_SUM="7ee4c0200241f6945f31dd04c21d7d166634563e0cb87d62324912d41893234c"
 
 # Nextcloud Security <security@nextcloud.com> (D75899B9A724937A)
 ARG GPG_FINGERPRINT="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"
@@ -64,6 +64,7 @@ RUN apk -U upgrade \
         pcntl \
         pdo_mysql \
         pdo_pgsql \
+        sysvsem \
         zip \
         gmp \
  && pecl install smbclient \

rootfs/etc/nginx/conf.d/default.conf

@@ -21,7 +21,7 @@ server {
         add_header X-Download-Options "noopen" always;
         add_header X-Frame-Options "SAMEORIGIN" always;
         add_header X-Permitted-Cross-Domain-Policies "none" always;
-        add_header X-Robots-Tag "none" always;
+        add_header X-Robots-Tag "noindex, nofollow" always;
         add_header X-XSS-Protection "0" always;
 
         location = /robots.txt {