tests: upsert checks fail

[nrainer-materialize]

What version of Materialize are you using?

2422f54

What is the issue?

^^^ +++
failpoint/03-failpoint.td:14:1: error: non-matching rows: expected:
[["failpoint", "kafka", "stalled", "upsert: Failed to rehydrate state: Error merging snapshot values"]]
got:
[["failpoint", "kafka", "running", "<null>"]]
Poor diff:
+ failpoint kafka running <null>
- failpoint kafka stalled "upsert: Failed to rehydrate state: Error merging snapshot values"

     |
  13 | 
  14 | > select st.name, st.type, st.status, st.error
     | ^
+++ !!! Error Report

These checks fail since the merge of #27064. @rjobanp, can you please take a look?

[nrainer-materialize]

Possibly just a test failure...