Bump tensorflow from 2.4.1 to 2.4.2 in /color_calibration#9

dependabot[bot] wants to merge 1 commit intomastersimonvoelcker/astrotools:masterfrom

dependabot/pip/color_calibration/tensorflow-2.4.2simonvoelcker/astrotools:dependabot/pip/color_calibration/tensorflow-2.4.2Copy head branch name to clipboard