Fixed: update for admincenter

[mkevenaar]

Version value changed to FileVersion instead of ProductVersion

[mkevenaar]

Result from update.ps1:

admincenter - checking updates using AU version 2018.5.18

URL check
  https://aka.ms/WACDownload
nuspec version: 1.1.1804.25001
remote version: 1.1.1809.17002
New version is available
Automatic checksum skipped
Running au_BeforeUpdate
Setting package description from README.md
Updating files
  $Latest data:
    Checksum32                (String)     7A363AD2ECE47F389DF30329E7976A140CF2790369D5B0DFEC684C37B8D8A4A7
    ChecksumType32            (String)     SHA256
    NuspecVersion             (String)     1.1.1804.25001
    PackageName               (String)     admincenter
    URL32                     (String)     https://aka.ms/WACDownload
    Version                   (String)     1.1.1809.17002
  admincenter.nuspec
    setting id: admincenter
    updating version: 1.1.1804.25001 -> 1.1.1809.17002
  .\tools\chocolateyInstall.ps1
    (?i)(^\s*checksum\s*=\s*)('.*')     = $1'7A363AD2ECE47F389DF30329E7976A140CF2790369D5B0DFEC684C37B8D8A4A7'
    (?i)(^\s*checksumType\s*=\s*)('.*') = $1'SHA256'
    (^\s*url\s*=\s*)('.*')              = $1'https://aka.ms/WACDownload'

[pauby]

Thanks @mkevenaar