Update Archives.gitignore (#3220)

Global/Archives.gitignore

@@ -5,12 +5,15 @@
 *.rar
 *.zip
 *.gz
+*.gzip
 *.tgz
 *.bzip
+*.bzip2
 *.bz2
 *.xz
 *.lzma
 *.cab
+*.xar
 
 # Packing-only formats
 *.iso
@@ -26,3 +29,4 @@
 *.msi
 *.msm
 *.msp
+*.txz