Changes:
* Added process:x_unique_id property to Splunk [1389](https://github.com/opencybersecurityalliance/stix-shifter/pull/1389)
* get configs [1392](https://github.com/opencybersecurityalliance/stix-shifter/pull/1392)
* GitHub action update [1385](https://github.com/opencybersecurityalliance/stix-shifter/pull/1385)
Fixes:
* Added metadata changes for GCP Chronicle [1393](https://github.com/opencybersecurityalliance/stix-shifter/pull/1393)
* Splunk: Fix MAC address to display in proper STIX format [1386](https://github.com/opencybersecurityalliance/stix-shifter/pull/1386)
* Updated custom properties mapping in Okta with 'x_' prefix [1387](https://github.com/opencybersecurityalliance/stix-shifter/pull/1387)
* Await async fixes [1391](https://github.com/opencybersecurityalliance/stix-shifter/pull/1391)
* fix json loads of data arg in stix-shifter CLI [1394](https://github.com/opencybersecurityalliance/stix-shifter/pull/1394)
Dependency update:
* Bump aiohttp-retry from 2.4.0 to 2.8.3 in /stix_shifter [1374](https://github.com/opencybersecurityalliance/stix-shifter/pull/1374)
* Consolidate `network-traffic`, `user-account`, `file` objects in the elastic_ecs connector mapping [1378](https://github.com/opencybersecurityalliance/stix-shifter/pull/1378)
* Fix 1375, optimize get_pagesize() function call, and add testcases [1384](https://github.com/opencybersecurityalliance/stix-shifter/pull/1384)
* Async changes for Okta UDI connector [1383](https://github.com/opencybersecurityalliance/stix-shifter/pull/1383)
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