github_actions_ci: Update CHANGELOG and RELEASE-NOTES for agent-1.17.3

Author: draios-jenkins

charts/agent/CHANGELOG.md

@@ -10,6 +10,9 @@ Manual edits are supported only below '## Change Log' and should be used
 exclusively to fix incorrect entries and not to add new ones.
 
 ## Change Log
+# v1.17.3
+### Bug Fixes
+* **agent** [b8c3e335](https://github.com/sysdiglabs/charts/commit/b8c3e3351824f6b0db17b1c0dac790b95efb7b33): GKE Autopilot do not accept HTTP probe ([#1508](https://github.com/sysdiglabs/charts/issues/1508))
 # v1.17.2
 ### Bug Fixes
 * **agent** [9c64b01a](https://github.com/sysdiglabs/charts/commit/9c64b01a687e59b6d5950e43f79b560bead87129): allows to specify non semver tags [SMAGENT-6093]  ([#1504](https://github.com/sysdiglabs/charts/issues/1504))

charts/agent/RELEASE-NOTES.md

@@ -1,5 +1,5 @@
 # What's Changed
 
 ### Bug Fixes
-- **agent** [9c64b01a](https://github.com/sysdiglabs/charts/commit/9c64b01a687e59b6d5950e43f79b560bead87129): allows to specify non semver tags [SMAGENT-6093]  ([#1504](https://github.com/sysdiglabs/charts/issues/1504))
-#### Full diff: https://github.com/sysdiglabs/charts/compare/agent-1.17.1...agent-1.17.2
+- **agent** [b8c3e335](https://github.com/sysdiglabs/charts/commit/b8c3e3351824f6b0db17b1c0dac790b95efb7b33): GKE Autopilot do not accept HTTP probe ([#1508](https://github.com/sysdiglabs/charts/issues/1508))
+#### Full diff: https://github.com/sysdiglabs/charts/compare/agent-1.17.2...agent-1.17.3