Update oncall schedule (NVIDIA#3017)

Author: Phlip79

.github/oncall_schedule.json

@@ -8,43 +8,43 @@
         "date": "2026-01-21"
     },
     {
-        "user": "asolergi-nv",
+        "user": "dimapihtar",
         "date": "2026-01-28"
     },
     {
-        "user": "dimapihtar",
+        "user": "gautham-kollu",
         "date": "2026-02-04"
     },
     {
-        "user": "gautham-kollu",
+        "user": "janEbert",
         "date": "2026-02-11"
     },
     {
-        "user": "janEbert",
+        "user": "Phlip79",
         "date": "2026-02-18"
     },
     {
-        "user": "maanug-nv",
+        "user": "asolergi-nv",
         "date": "2026-02-25"
     },
     {
         "user": "BoxiangW",
         "date": "2026-03-04"
     },
     {
-        "user": "Phlip79",
+        "user": "maanug-nv",
         "date": "2026-03-11"
     },
     {
-        "user": "asolergi-nv",
+        "user": "dimapihtar",
         "date": "2026-03-18"
     },
     {
-        "user": "dimapihtar",
+        "user": "gautham-kollu",
         "date": "2026-03-25"
     },
     {
-        "user": "gautham-kollu",
+        "user": "janEbert",
         "date": "2026-04-01"
     }
 ]