[LA-2026] Adding bellsoft, pulumi, and thales as gold sponsors

Author: omargohan

data/events/2026/los-angeles/main.yml

@@ -132,6 +132,8 @@ sponsor_levels:
   - id: community
 
 sponsors:
+  - id: bellsoft
+    level: gold
   - id: crash-override
     level: gold
   - id: devitjobs
@@ -140,10 +142,14 @@ sponsors:
     level: gold
   - id: ibm
     level: gold
+  - id: pulumi
+    level: gold
   - id: redhat
     level: gold
   - id: terracotta-ai
     level: gold
+  - id: thales
+    level: gold
   - id: unleash
     level: gold