INDIANA, Pa., April 20, 2023 /PRNewswire/ — S&T Bancorp, Inc. (S&T) (NASDAQ: STBA), the holding company for S&T Bank, announced net income of $39.8 million, or $1.02 per diluted share, for the first quarter of 2023 compared to net income of $40.3 million, or $1.03 per diluted share, for…