spectest-progress.csv update: 507 files, 33926 (84.5% of 40171) pass,…

… 2 fail

Failure summary:
S32-temporal/DateTime.t 15 - epoch at 1970-01-01 01:01:01
S32-temporal/DateTime.t 16 - as Str 1970-01-01T01:01:01+0100
S32-temporal/DateTime.t passed 18 unplanned test(s)

docs/spectest-progress.csv

@@ -773,3 +773,4 @@
 "2010-07-04 00:00",77ca4f5,33767,55,568,1937,36327,40182,504
 "2010-07-05 00:00",ef66ac3,33832,3,565,1940,36340,40195,505
 "2010-07-06 00:00",55acd1d,33927,19,558,1907,36411,40197,507
+"2010-07-07 00:00",f8dde0a,33926,2,568,1905,36383,40171,507