v0.7.0

What's Changed

• Adds gcs storage interface by @scirner22 in #14
• User authorization by @scirner22 in #15
• Get route authentication by @scirner22 in #16
• Adds header based authentication to the mailbox routes. by @scirner22 in #17
• cargo fix --edition. by @scirner22 in #19
• Upgrade minitrace now that it supports spans how we originally intended. by @scirner22 in #20
• cargo upgrade. by @scirner22 in #18
• Move from github link to crates.io reference for minstant now that it exists. by @scirner22 in #21

Breaking Changes

• DD_TRACE_SPAN_TAGS config field was removed.

Full Changelog: v0.6.4...v0.7.0