Update Docker images to use LLVM 11.

Author: mcserep

docker/dev/Dockerfile

@@ -25,7 +25,7 @@ RUN set -x && apt-get update -qq \
   libmagic-dev \
   libsqlite3-dev \
   libssl-dev \
-  llvm-10 clang-10 llvm-10-dev libclang-10-dev \
+  llvm-11 clang-11 llvm-11-dev libclang-11-dev \
   npm \
   thrift-compiler libthrift-dev \
   odb libodb-sqlite-dev libodb-pgsql-dev && \

docker/runtime/Dockerfile

@@ -62,7 +62,7 @@ RUN if [ "pgsql" = "${CC_DATABASE}" ]; then \
 
 RUN set -x && apt-get update -qq && \
     apt-get install -qq --yes --no-install-recommends \
-    llvm-10 \
+    llvm-11 \
     libboost-filesystem-dev libboost-log-dev libboost-program-options-dev \
     default-jre \
     libgit2-dev \

docker/web/Dockerfile

@@ -17,7 +17,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 
 RUN set -x && apt-get update -qq \
   && apt-get install -qqy --no-install-recommends \
-    llvm-10 \
+    llvm-11 \
     libboost-filesystem-dev libboost-log-dev libboost-program-options-dev \
     libsqlite3-dev \
     postgresql-server-dev-12 \