I believe that somehow some upgrade among

❯ wdiff -3 /tmp/f1 /tmp/f2

======================================================================
[-06/github/cron/20231006T060312/0c1d4a0/Tests/5197/test-]{+07/github/cron/20231007T060245/0c1d4a0/Tests/5198/test+}
======================================================================
 [-dependencies.txt:2023-10-06T06:05:18.6948668Z-] {+dependencies.txt:2023-10-07T06:04:51.1091526Z+}
======================================================================
 [-boto3-1.28.61 botocore-1.31.61-] {+boto3-1.28.62 botocore-1.31.62+}
======================================================================
 [-entrypoints-0.4-]
======================================================================
 [-numcodecs-0.11.0-] {+numcodecs-0.12.0+}
======================================================================
 [-urllib3-1.26.17-] {+urllib3-2.0.6+}
======================================================================

(so likely urllib3) lead to drastically different behavior which triggered
VCR to try to not reuse prior tape but then subsequent dialog started to
fail -- we got no json.  As you can see in the diff we observe that
now we do get json (as requested) recorded although previously
it was some "binary".