Merge pull request #95479 from mletalie/OSDOCS-15141

[OSDOCS-15141]Add version 4.19 GA and OEL dates to OSD and ROSA docs

Author: bmcelvee

modules/life-cycle-dates.adoc

@@ -14,6 +14,7 @@ endif::[]
 [options="header"]
 |===
 |Version    |General availability   |End of life
+|4.19       |Jun 16, 2025           |Oct 21, 2026
 |4.18       |Feb 26, 2025           |Jun 21, 2026
 |4.17       |Oct 14, 2024           |Feb 14, 2026
 |4.16       |Jul 2, 2024            |Nov 2, 2025