v0.5.0-RC1

What's Changed

• Support age mode decryption for Strongbox by @george-angel in #93
• Make SSH switch envvar name more explicit by @george-angel in #97
• Use Strongbox version that supports age by @george-angel in #101
• Make envvar values strings in YAML by @george-angel in #102
• Fix Strongbox flag name in the doc by @george-angel in #103
• Make the Strongbox logic "on" by default by @george-angel in #104
• Use a static Secret keyname for keyring by @george-angel in #105
• Fix example to match the document by @george-angel in #106

Full Changelog: v0.4.0...v0.5.0-RC1