runtime(misc): add support for bzip3 to tar, vimball and gzip plugins

fixes: #16751
closes: #16755

Signed-off-by: Jim Zhou <jimzhouzzy@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/plugin/tarPlugin.vim b/runtime/plugin/tarPlugin.vim
index 68d968a..825b7ae 100644
--- a/runtime/plugin/tarPlugin.vim
+++ b/runtime/plugin/tarPlugin.vim
@@ -38,6 +38,7 @@
   au BufReadCmd   *.lrp			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.bz2		call tar#Browse(expand("<amatch>"))
+  au BufReadCmd   *.tar.bz3		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.gz		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.lz4		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.lzma		call tar#Browse(expand("<amatch>"))