rc.obfuscate=1 should not obfuscate dependencies

[rcaputo]

I wanted to illustrate a point about urgency and nested dependencies on #2492 but dependencies are obfuscated too.

Dependencies don't seem confidential given everything else that's redacted.

% task rc.obfuscate=1 next

Age    Deps  Proj     Sched       Due         ID  Description                                                                     Urg
24min        xxxxx                2026-02-09  30  xxxx xxx xxxxx xxxxxxxxxx xxxxxxxx                                               118
 4w                   2026-01-20  2026-01-29  13  xxxxxxxx xxx xxxxxxx                                                             114
 1d          xxxxxxx              2026-02-04  26  xxxxxxxxx xxxxxxxxxxxxxxx xxxxx xxx xxxxxxxx xx xxxxxxxx xxxxxx xx xxx            98
 1d    xx    xxxxx                            27  xxxxxx xxxxxxx xx xxxxxxxx xxxxxx xxx xxxxxxxxx xxxxx                            -35
21min  xx    xxxxx                            31  xxxxxxx xxxxxxxxxx xxxxx xxxxxxxxxxx xxxxxx                                      -35
 1d    xx    xxxxx                            28  xxx xxxx xx xxxx                                                                 -75
 1d    xx    xxxxx                            29  xxxx xxx xx xxxxxxx xxx xx xxxxx xx xxxxx xxxxxx xxx xxx xx xx xxx xx xxxxxxxx   -75

7 tasks

[Manar-Elhabbal7]

I need to work on it