Upgrade to debian trixie (#581)

* move flavored bookworm dockerfile to a new trixie dockerfile.

* fix opera openbox selector.

* fix remmina dependencies.

* remove chromium explicit bookworm source.

* Update apps to work with trixie (#624)

Co-authored-by: yesBad <me@bad.cash>

* remove SYS_ADMIN capability requirement for Chromium-based Docker images and update documentation accordingly.

* fix chromium package.

* change uBlock Origin to uBlock Origin Lite.

* restore waterfox in build matrix for GHCR workflows.

---------

Co-authored-by: Bad <87938689+yesBad@users.noreply.github.com>
Co-authored-by: yesBad <me@bad.cash>

apps/remmina/Dockerfile

@@ -5,8 +5,7 @@ FROM $BASE_IMAGE
 RUN set -eux; apt-get update; \
     apt-get install -y --no-install-recommends \
       remmina-plugin-rdp remmina-plugin-vnc \
-      # remmina-plugin-x2go # not in bullseye
-      remmina-plugin-spice remmina-plugin-nx; \
+      remmina-plugin-x2go remmina-plugin-www; \
     # clean up
     apt-get clean -y; \
     rm -rf /var/lib/apt/lists/* /var/cache/apt/*