auto-fix singleton capital letter in author name

[yegor256]

Let's auto-fix Knuth, Donald E to Knuth, Donald E.

[yegor256]

@rultor release, tag is 0.0.10

[rultor]

@rultor release, tag is 0.0.10

@yegor256 OK, I will release it now. Please check the progress here

[rultor]

@rultor release, tag is 0.0.10

@yegor256 Oops, I failed. You can see the full log here (spent 1min)

) (/usr/local/texlive/2023/texmf-dist/tex/latex/base/article.cls
Document Class: article 2022/07/02 v1.4n Standard LaTeX document class
(/usr/local/texlive/2023/texmf-dist/tex/latex/base/size10.clo
File: size10.clo 2022/07/02 v1.4n Standard LaTeX file (size option)
)
\c@part=\count182
\c@section=\count183
\c@subsection=\count184
\c@subsubsection=\count185
\c@paragraph=\count186
\c@subparagraph=\count187
\c@figure=\count188
\c@table=\count189
\abovecaptionskip=\skip48
\belowcaptionskip=\skip49
\bibindent=\dimen140
) (./bibcop.sty
Package: bibcop 2023-05-16 0.0.10 Style Checker of Bibliography Files

! LaTeX Error: File `iexec.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

Enter file name: 
! Emergency stop.
<read *> 

l.66 ^^M

Here is how much of TeX's memory you used:
 287 strings out of 478200
 3843 string characters out of 5837031
 1842018 words of memory out of 5000000
 20524 multiletter control sequences out of 15000+600000
 512295 words of font info for 33 fonts, out of 8000000 for 9000
 319 hyphenation exceptions out of 8191
 34i,0n,43p,188b,40s stack positions out of 10000i,1000n,20000p,200000b,200000s

No pages of output.

-----------------------------------------------------------------------------------
          --> failed

  Check failed with difference files
  - ./build/test/biblatex.luatex.diff
  - ./build/test/biblatex.pdftex.diff
  - ./build/test/biblatex.xetex.diff
  - ./build/test/bibtex.luatex.diff
  - ./build/test/bibtex.pdftex.diff
  - ./build/test/bibtex.xetex.diff

====================
Tests failed, zip stage skipped!
====================

container 25f609ba1df58c1e6b27ccc9c3f3d0bbd2a63c004ab53ac9356b0cb7f0cf2382 is dead
Tue 16 May 2023 06:25:22 AM CEST

[yegor256]

@rultor release, tag is 0.0.10

[rultor]

@rultor release, tag is 0.0.10

@yegor256 OK, I will release it now. Please check the progress here

[rultor]

@rultor release, tag is 0.0.10

@yegor256 Done! FYI, the full log is here (took me 4min)