installation/dependencies-installation.sh: Fix python3-dev installation.

installation/dependencies-installation.sh

@@ -10,7 +10,7 @@ apt -y install git vim tree sudo
 
 # ACTUAL DEPENDENCIES
 # installing miscellaneous useful packages
-apt -y install make autopoint autoconf libtool libattr1-dev musl-tools mmv sbsigntool libssl-dev python3-deb
+apt -y install make autopoint autoconf libtool libattr1-dev musl-tools mmv sbsigntool libssl-dev python3-dev
 # installing more necessary packages to activate Secure Boot with our own keys
 apt -y install efitools
 # installing packages needed to build fluentbit (script fluentbit-install.sh)