gitlab: update issue template for binary test cases

Binary test cases are sketchy because they can be vectors for phishing
and other malware. Lets strongly hint that source bases tests are
preferred and binaries should have their provenance declared.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20260526110243.470002-9-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
1 file changed