! See #265 Regression for FTPES, FTPS on directory changes !

• update to OpenSSL https://www.openssl.org/source/openssl-1.1.1l.tar.gz (changes see https://www.openssl.org/news/cl111.txt)
• updated to libssh-0-9-6, see https://www.libssh.org/2021/08/26/libssh-0-9-6-security-release/
• added icon to toolbarIcons struct for NPPM_ADDTOOLBARICON (#320)
• feature: ip:port not supported #241
• changed to GH action for releases as travis is no longer available free