chore(main): release cavern 0.9.0

[github-actions]

🤖 I have created a release beep boop

0.9.0 (2026-06-15)

Features

• make storage spec configurable for sessions (59ae459)
• remove carta legacy and add scripting support (b7128f5)
• update docs and charts to put necessary items into secrets (7fda82b)

Bug Fixes

• add cavern auth section (d39ded7)
• add permissions api auth section (b99d6b7)
• allow image pull secrets (b8bdf4e)
• allow using secrets as admin api keys (8d5dd81)
• cavern allow just username and update docs (899b544)
• cavern rc chart (901c709)
• chart updates for backward compat and allow security context (b897ed4)
• chart versions (ad90b90)
• chart versions (d9c8052)
• current rc version (be6e3d1)
• docs: fixed deployment docs (4ce4c9d)
• first pass at chart changes to accommodate tools like argo (0a37271)
• fix configs (d956dfd)
• fix for adding service account (395bc38)
• fix for cavern charts to allow secrets for admin api keys (137aed9)
• fix for precommit (a4fe413)
• fix pre commit (fc24792)
• merge main (736886b)
• modify where papi properties are set (21e0fde)
• permissions api auth for cavern (41c76fb)
• remove api key support in cavern (67fdf51)
• remove damaging fsgroup setting (793a4ac)
• secret fix (31ded6b)
• update documentation and bump cavern image (7fbb6f8)
• update image to current (a6d4b0d)
• update to use rsa from secret (f3fc296)
• use release namespace (131fc11)

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