engrampa 1.22.1 release

Changes since the last release: v1.22.0...v1.22.1

engrampa 1.22.1

sync with transifex
Help: replace link linkend with xref linkend
file-utils: avoid out of bound memory access
actions: avoid use of memory after it is freed
fr-process: Fix memory leak: 'g_shell_quote' needs to be freed
fr-process: Fix memory leak: 'g_strconcat' needs to be freed
[Security] fr-process: avoid 'strcpy' and 'strcat'
fr-process: Fix memory leak
Help: Fix version to 1.22
help: update copyright
Upgrade the manual to docbook 5.0