Crystal bash seq (#2766)

* Fix bash iteration using seq

* Fix bash iteration using seq

* Fix bash iteration using seq

frameworks/Crystal/crystal/setup.sh

@@ -4,7 +4,7 @@ fw_depends crystal
 
 crystal build --release server.cr -o server.out
 
-for i in {1..$(nproc --all)}; do
+for i in $(seq 1 $(nproc --all)); do
   ./server.out &
 done
 

frameworks/Crystal/kemal/setup-postgres.sh

@@ -6,7 +6,7 @@ shards install
 
 crystal build --release server-postgres.cr
 
-for i in {1..$(nproc --all)}; do
+for i in $(seq 1 $(nproc --all)); do
   ./server-postgres &
 done
 

frameworks/Crystal/kemal/setup-redis.sh

@@ -9,7 +9,7 @@ shards install
 
 crystal build --release server-redis.cr
 
-for i in {1..$(nproc --all)}; do
+for i in $(seq 1 $(nproc --all)); do
   ./server-redis &
 done