chore: update gitignore list (#9437)

Updated the gitignore list with the command : `go run scripts/generate-gitignores.go`

options/gitignore/Vim

@@ -1,5 +1,6 @@
 # Swap
 [._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
 [._]*.sw[a-p]
 [._]s[a-rt-v][a-z]
 [._]ss[a-gi-z]
@@ -7,6 +8,7 @@
 
 # Session
 Session.vim
+Sessionx.vim
 
 # Temporary
 .netrwhist