installer: Update Inno Setup translations from upstream.

[ci skip]
FixDoubleDash Improved
FixEllipsesStartHelper Improved
Merge pull request #348 from ivandrofly/patch-0.2

FixDoubleDash Improved
Merge pull request #349 from ivandrofly/patch-0.3

FixEllipsesStartHelper Improved
fr-FR translation: restore damage
fr-FR translation: s/deux points/un deux-points/
fr-FR translation: consistently use thin space before [:;!?]