PESDLC-1113 Fix bash liter errors

tests/docker/ducktape-deps/tinygo-wasi-transforms

@@ -10,7 +10,7 @@ function retry {
   local count=0
   until "$@"; do
     exit=$?
-    count=$(($count + 1))
+    count=$((count + 1))
     if [ $count -lt $retries ]; then
       echo "Retry $count/$retries exited $exit, retrying..."
     else

tests/rptest/remote_scripts/cloud/pod_log_extract.sh

@@ -1,9 +1,8 @@
 #!/bin/bash
 files=($(find /var/log/pods/ -type f | grep "$1" | grep -v "configurator"))
 
-for item in ${files[*]};
-do
-    echo "# $item"
-    tail --lines=+$(cat $item | grep -n -m 1 "$2" | cut -d":" -f1) $item
-    echo "# End of log"
+for item in ${files[*]}; do
+  echo "# $item"
+  tail --lines=+$(cat $item | grep -n -m 1 "$2" | cut -d":" -f1) $item
+  echo "# End of log"
 done