Cannot get records before 2023-01-01

[isabellasoldner]

Checklist

• I have checked that this issue has not already been reported.

• I have confirmed this bug exists on the latest version of feo-client.

• I have confirmed this bug exists on the main branch of feo-client.

Reproducible Example

records = []
for id in assets.id.unique():
  record_collection = RecordCollection.search(
      id,
      valid_timestamp_start="2023-01-01 00:00:00",
      datum_type=["production"],
      limit=1000
  )
  records.append(record_collection)
records = pd.concat(records)

# Can't get records within a date range !!
# Can't get records with valid_timestamp_start before 2023-01-01 !!!

records = records[records.valid_timestamp_start < "2023-02-15 00:00:00"]

Issue Description

Cannot get records with timestamps before 2023-01-01. This is definitely present in the database so is a bug.

Expected Behavior

Be able to access data with timestamps before 2023