README: point the install snippet at the current release (#19)

`make readme` fills {version} from the latest tag, and the tag is cut after
the README commit, so every published README advertised the previous
release. Re-render now that the tags exist.


Claude-Session: https://claude.ai/code/session_01MCypLQF5AD8JD831Ea9S9q

Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>

Author: edimarlnx

README.md

@@ -132,7 +132,7 @@ Upgrades then arrive with the rest of your system updates.
 ### Any distribution, static binary
 
 ```sh
-curl -fsSL https://github.com/tui-tools/tui-firewall/releases/download/v0.4.0/tui-firewall_0.4.0_linux_amd64.tar.gz | tar -xz tui-firewall
+curl -fsSL https://github.com/tui-tools/tui-firewall/releases/download/v0.4.1/tui-firewall_0.4.1_linux_amd64.tar.gz | tar -xz tui-firewall
 sudo install -m0755 tui-firewall /usr/local/bin/tui-firewall
 ```