add NEWS item for translation

[MichaelChirico]

Adding the missed NEWS item for #3935. A few minor tweaks to the translation as well.

Script used to record CRAN stats about po:

all_pkg = rownames(available.packages())

n_chunk = 20L
chunk_id = sort(rep(1:n_chunk, length.out = length(all_pkg)))

DT = rbindlist(lapply(1:n_chunk, function(ii) 
  cran_downloads(all_pkg[chunk_id == ii], when = "last-month")))

DT = DT[ , .(count = sum(count)), by = package]
DT = DT[count > 0]
setorder(DT, -count)
cmd_fmt = paste(
  "curl https://github.com/cran/%s/tree/master/po",
  "--head --output /dev/null --silent --fail"
)
for (ii in 1:500) {
  DT[ii, has_po := suppressWarnings(is.null(
    attr(system(sprintf(cmd_fmt, DT$package[ii]), intern = TRUE), 'status')
  ))]
}
DT[ , rank := frank(-count)][]

DT[(has_po)]

[codecov]

Codecov Report

Merging #4149 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4149   +/-   ##
=======================================
  Coverage   99.53%   99.53%           
=======================================
  Files          72       72           
  Lines       13911    13911           
=======================================
  Hits        13847    13847           
  Misses         64       64

---

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