correction of version number in package DESCRIPTION

MCQR/DESCRIPTION

 Package: MCQR
 Type: Package
 Title: a R Package for Analysis of Mass-Spectrometry-Based Proteomics Data
-Version: 0.6.7
+Version: 0.6.8
 Date: 2022-12-02
 Authors@R: c(person("Balliau", "Thierry", email="thierry.balliau@inrae.fr", role=c("aut", "cre")),
 						 person("Blein-Nicolas", "Mélisande", email="melisande.blein-nicolas@inrae.fr", role=c("aut")),