fix(california_transit_services): missed a few holidays on my first pass (#3532)

Author: vevetron

airflow/dags/create_external_tables/airtable/external_airtable_california_transit_services.yml

@@ -294,15 +294,27 @@ schema_fields:
   - name: holiday_schedule___veterans_day
     type: STRING
     mode: NULLABLE
+  - name: holiday_schedule___thanksgiving_day
+    type: STRING
+    mode: NULLABLE
   - name: holiday_schedule___day_after_thanksgiving_day
     type: STRING
     mode: NULLABLE
   - name: holiday_schedule___christmas_eve
     type: STRING
     mode: NULLABLE
+  - name: holiday_schedule___christmas_day
+    type: STRING
+    mode: NULLABLE
   - name: holiday_schedule___new_year_s_eve
     type: STRING
     mode: NULLABLE
+  - name: holiday_schedule___new_year_s_day
+    type: STRING
+    mode: NULLABLE
+  - name: holiday_schedule___mlk_day
+    type: STRING
+    mode: NULLABLE
   - name: holiday_schedule_notes
     type: STRING
     mode: NULLABLE