update base distribution version to update baseruby version

kateinoigakukun · kateinoigakukun · commit 6914ba095ddb · 2023-02-20T05:39:22.000Z
the baseruby is used to bootstrap a baseruby of the version for which is
cross-compiled.
diff --git a/builders/wasm32-unknown-emscripten/Dockerfile b/builders/wasm32-unknown-emscripten/Dockerfile
@@ -1,4 +1,4 @@
-FROM emscripten/emsdk:2.0.13
+FROM emscripten/emsdk:3.1.31
 
 RUN set -eux; \
   apt-get update; \
diff --git a/builders/wasm32-unknown-wasi/Dockerfile b/builders/wasm32-unknown-wasi/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM debian:bullseye
 
 ARG WASI_SDK_VERSION_MAJOR=14
 ARG WASI_SDK_VERSION_MINOR=0
