Update composer.lock (2023-08-04) (#564)

```
Lock file operations: 0 installs, 5 updates, 0 removals
  - Upgrading mck89/peast (v1.15.1 => v1.15.3)
  - Upgrading roave/security-advisories (dev-latest e8f8fa0 => dev-latest 69dafab)
  - Upgrading wp-cli/embed-command (v2.0.13 => v2.0.14)
  - Upgrading wp-cli/php-cli-tools (v0.11.18 => v0.11.19)
  - Upgrading wp-cli/wp-cli (dev-main 90be24d => dev-main 5c4eeaa)
Writing lock file
Installing dependencies from lock file (including require-dev)
```

Author: swissspidy