devcontainer: Remove Leiningen and use the latest Clojure (#17327)

.devcontainer/Dockerfile

@@ -2,7 +2,10 @@ FROM mcr.microsoft.com/vscode/devcontainers/java:11
 
 RUN apt-key adv --refresh-keys --keyserver keyserver.ubuntu.com\
   && apt-get update && export DEBIAN_FRONTEND=noninteractive \
-  && apt-get -y install --no-install-recommends leiningen yarn
+  && apt-get -y install --no-install-recommends yarn
 
 RUN curl -fsSL https://deb.nodesource.com/setup_14.x | bash
-RUN apt-get update && apt-get -y install --no-install-recommends nodejs
\ No newline at end of file
+RUN apt-get update && apt-get -y install --no-install-recommends nodejs
+
+RUN curl -O https://download.clojure.org/install/linux-install-1.10.3.933.sh \
+  && bash ./linux-install-1.10.3.933.sh
\ No newline at end of file