Merge pull request #1346 from resttime/fix-docker-init

Use bash in the docker init shebang

docker/init-invidious-db.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -eou pipefail
 
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL