v0.6.11

What's Changed

• ci: test the pipeline scripts by @Abarbesgaard in #49
• ci: run every workflow step under bash -o pipefail by @Abarbesgaard in #50
• ci: run mutants only after the cheap checks pass by @Abarbesgaard in #51
• refine(mutate): fail on any mutant not caught or declared by @Abarbesgaard in #52

Full Changelog: v0.6.10...v0.6.11