Rename text() template parameter from A to Args to comply with print()

[nordlow]

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[codecov-commenter]

Codecov Report

Merging #362 (1a9c19c) into master (bb0942e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #362   +/-   ##
=======================================
  Coverage   92.64%   92.64%           
=======================================
  Files          62       62           
  Lines       15380    15380           
=======================================
  Hits        14249    14249           
  Misses       1131     1131           

Impacted Files	Coverage Δ
source/mir/format.d	94.52% <ø> (ø)

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