update sbt script (#714)

Author: xerial

sbt

@@ -34,11 +34,11 @@
 
 set -o pipefail
 
-declare -r sbt_release_version="1.5.5"
-declare -r sbt_unreleased_version="1.6.0-M1"
+declare -r sbt_release_version="1.8.2"
+declare -r sbt_unreleased_version="1.8.2"
 
-declare -r latest_213="2.13.7"
-declare -r latest_212="2.12.15"
+declare -r latest_213="2.13.10"
+declare -r latest_212="2.12.17"
 declare -r latest_211="2.11.12"
 declare -r latest_210="2.10.7"
 declare -r latest_29="2.9.3"