Fix brew check for GitHub actions
Fix brew check for GitHub actions

Don't abort if a brew catalog file is missing.

This is needed for the GitHub actions environment
which provides brew also for Linux.

Running cross builds then failed at AC_CHECK_FILE.

Signed-off-by: Stefan Weil <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@weilnetz.de>

tesseract-ocr/tesseract,amitdo/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,amitdo/tesseract,amitdo/tesseract,stweil/tesseract,stweil/tesseract,stweil/tesseract,UB-Mannheim/tesseract,UB-Mannheim/tesseract,stweil/tesseract,stweil/tesseract,tesseract-ocr/tesseract,tesseract-ocr/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract