[docker] bump Kotlin version in images to the one currently used in ICPC
[docker] bump Kotlin version in images to the one currently used in ICPC

Kattis/problemtools,ghamerly/problemtools,ghamerly/problemtools,jsannemo/problemtools,Kattis/problemtools,ghamerly/problemtools,jsannemo/problemtools,Kattis/problemtools,jsannemo/problemtools,Kattis/problemtools,ghamerly/problemtools,jsannemo/problemtools