Fix deprecation warning "The set-output command is deprecated and will be disabled soon" on jobs.test.steps.pip-cache by redirecting the output of the echo command to $GITHUB_ACTIONS and by using the shell bash to avoid the command not working on Windows default shell.
At first, I was going to submit the PR by using the shell bash not only in that specific step but after thinking about it I only used it on that specific step as using the bash shell in the tox execution step could break everything.
Fix deprecation warning "The
set-outputcommand is deprecated and will be disabled soon" onjobs.test.steps.pip-cacheby redirecting the output of the echo command to$GITHUB_ACTIONSand by using the shell bash to avoid the command not working on Windows default shell.At first, I was going to submit the PR by using the shell bash not only in that specific step but after thinking about it I only used it on that specific step as using the bash shell in the tox execution step could break everything.