v0.6.0

## Changelog
* eb8de795ef633595fea749218c7e0e425834011b deps: Bump @tanstack/react-router from 1.168.10 to 1.168.18 in /web (#48)
* 2c8160d9cc910b12702b47854fe5f0e2aaf0300a deps: Bump golang.org/x/crypto from 0.49.0 to 0.50.0 (#44)
* c56712c3b804af9097394f51619575988f12c969 deps: Bump modernc.org/sqlite from 1.48.1 to 1.48.2 (#43)
* c1c45daacf970e6402572b1ebd882aef273ee651 deps: Bump react from 19.2.4 to 19.2.5 in /web (#47)
* 0a1d30948e74e4f746666956a8795fae0e4ce291 deps: Bump react-dom from 19.2.4 to 19.2.5 in /web (#49)
* 6ed10a119a68ac49ce49f748d06660f376e9ba8e feat: instance-level agents with multi-vault access (#54)
* fff924c17a326256e8d3bb8b7230c8a2937cd5d0 feat: instance-level user invites with vault pre-assignment (#53)
* d7b6d8e876fff876d2d72f1c8780fc9b21e24692 fix: validate services_json parse in ProposalsTab (#50)
* 990e3e61ae454269cdeb30946460c53921e18373 refactor: move users and vaults tabs to home layout with public user list API (#52)
* e7192cc15bb7246a45f3016306358524f1514f07 refactor: rename consumer role to proxy and remove service tokens (#51)
* fcdb003808e548e6c7f7ab77113b9aa3c2623585 refactor: split server.go into domain-specific handler files (#55)

## Verify

```bash
# Verify checksum
sha256sum --check checksums.txt

# Verify signature (requires cosign)
cosign verify-blob \
  --bundle checksums.txt.bundle \
  --certificate-identity-regexp "github.com/Infisical/agent-vault" \
  --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
  checksums.txt
```