Log Message:
p5-ack: update to 3.4.0.

v3.4.0      Mon Jun 29 23:04:18 CDT 2020
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[FEATURES]
When calling "ack -c" to get a list of filenames and counts, the filename
would not be colored like when getting normal search results.  Now it will.
Thanks to Matthew Hughes for adding the feature, and Ophir Lifshitz for the
suggestion. (GH#282)

Added --toml for the TOML filetype. (GH#306)

[FIXES]
The test t/ack-x.t would fail when run as root. Now it is skipped. Thanks,
Michael LaGrasta. (GH#217)