docs: update manpage date to August 2025

Author: inureyes

docs/man/bssh.1

@@ -1,6 +1,6 @@
 .\" Manpage for bssh
 .\" Contact the maintainers to correct errors or typos.
-.TH BSSH 1 "December 2024" "v0.6.1" "bssh Manual"
+.TH BSSH 1 "August 2025" "v0.6.1" "bssh Manual"
 
 .SH NAME
 bssh \- Broadcast SSH - SSH-compatible client with parallel execution capabilities