Add restic to base backup image

infrastructure/backup/image/resources/install.sh

@@ -5,7 +5,7 @@ set -exo pipefail
 function main() {
     {
         upgradeSystem
-        apt-get install -qqy ca-certificates curl gnupg postgresql-client-14
+        apt-get install -qqy ca-certificates curl gnupg postgresql-client-14 restic
         curl -Ss --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | tee /etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg
         sh -c 'echo "deb [signed-by=/etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg] https://apt.postgresql.org/pub/repos/apt jammy-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
         upgradeSystem