build(deps): bump tensorflow-gpu from 1.13.1 to 1.15.2#1

dependabot[bot] wants to merge 1 commit intomasteradamwawrzynski/vectorized_documents_benchmark:masterfrom

dependabot/pip/tensorflow-gpu-1.15.2adamwawrzynski/vectorized_documents_benchmark:dependabot/pip/tensorflow-gpu-1.15.2Copy head branch name to clipboard