update tcl package.

Author: Tulong4Dev

.github/scripts/hostsetup.sh

@@ -56,7 +56,7 @@ apt install -y \
   python3-pip \
   python3-virtualenv \
   python3-yaml \
-  tcl-dev \
+  tcl8.6-dev \
   libffi-dev \
   perl \
   texinfo \

.github/scripts/install_dependencies.sh

@@ -30,7 +30,7 @@ sudo apt install -y \
   libxft-dev \
   libxml++2.6-dev \
   libreadline-dev \
-  tcl-dev \
+  tcl8.6-dev \
   libffi-dev \
   perl \
   texinfo \