scripts(setup-ubuntu): install curl headers as well

Needed by txikijs's hostbuild step.

Fixes https://github.com/termux/termux-packages/issues/11085.

scripts/setup-ubuntu.sh

@@ -246,6 +246,9 @@ PACKAGES+=" libjson-perl"
 # Required for parsing repo.json
 PACKAGES+=" jq"
 
+# Required by txikijs's hostbuild step
+PACKAGES+=" libcurl4-openssl-dev"
+
 # Do not require sudo if already running as root.
 if [ "$(id -u)" = "0" ]; then
 	SUDO=""