Release v0.9.0

What's Changed

• chore: remove dispatch workflow by @drpebcak in #31
• chore: add back dispatch jobs by @drpebcak in #33
• fix: add currentAgent to CallFrame by @thedadams in #36
• chore: add ToolCategory by @thedadams in #35
• enhance: support credential override by @njhale in #34
• fix: use array and new pluralized name for credential overrides by @njhale in #37

Full Changelog: v0.8.5...v0.9.0