doc,meta: add issue template for flaky tests
New template for reporting flaky tests. Lists the data point relevant to later investigate the issue (i.e. CI-job, CI-worker, link to test code, console output). Examples: https://github.com/nodejs/node/issues/24449 https://github.com/nodejs/node/issues/24403 https://github.com/nodejs/node/issues/24397
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines