Bump sonic-platform-daemons (sonic-net#7907)

Updates sonic-platform-daemons submodule. Includes the following commits:
```
eb8a223 [xcvrd] Force cleanup of chassis global variable on deinit (sonic-net#193)
a6903c0 [CI] sonic-config-engine now depends on SONiC YANG packages (sonic-net#194)
bf60a27 Replace swsssdk.SonicV2Connector with swsscommon implementation (sonic-net#191)
```