deps: update go modules

- some fixes to crypto and term libraries

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>

feat: expose kiln functions as a minimal library

- allows users to get and set variables

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>

docs: fix download links on the installation page

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>

docs: update astro sitename

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>