dent8 v0.8.0

What's Changed

• Serialize the default file store through the firewall and tolerate corrupt lines by @chicoxyzzy in #22
• Install and enforce the native-memory guard by default on dent8 init by @chicoxyzzy in #23
• Require a signed identity for authority above the agent tier by @chicoxyzzy in #24
• chore(release): prepare v0.8.0 by @chicoxyzzy in #25

Full Changelog: v0.7.3...v0.8.0