chore(packaging): add debug symbols to loki and promtail debug builds (#1342)
chore(packaging): add debug symbols to loki and promtail debug builds (#1342)

`-s` and `-w` build flags were removing the debug symbols from the binary, even on debug only builds, making debugging impossible
grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki