flake.lock: Update

Flake lock file updates:

• Updated input 'florp-about':
    'git+https://woof.rip/florp/about.git?ref=refs/heads/main&rev=1d3098ad7775426c092a5bd13498d98a8b02b116' (2024-11-09)
  → 'git+https://woof.rip/florp/about.git?ref=refs/heads/main&rev=1845276697adca236be3e7a983238d2a2d0d57b5' (2024-11-09)

config/hosts/florp/configuration.nix

@@ -1,4 +1,4 @@
-{ lib, config, ... }: {
+{ lib, config, pkgs, ... }: {
   imports = [
     ../../common
     ../../profiles/headless.nix
@@ -30,10 +30,9 @@
 
     backupPrepareCommand = ''
       umask 0077
-      rm -f -- ${pgBackup}
-      ${lib.getExe' config.services.postgresql.package "pg_dumpall"} \
-        -U ${config.services.postgresql.superUser} \
-        -f ${pgBackup}
+      rm -f -- ${pgBackup} 
+      ${lib.getExe pkgs.su} -c '${lib.getExe' config.services.postgresql.package "pg_dumpall"}' \
+        ${config.services.postgresql.superUser} >${pgBackup}
     '';
 
     backupCleanupCommand = ''