Replace NSS with Pale Moon's

security/nss/automation/taskcluster/docker-clang-format/Dockerfile

@@ -1,18 +1,18 @@
-# Minimal image with clang-format 3.9.
-FROM ubuntu:18.04
+# Minimal image with clang-format 10
+FROM ubuntu:bionic-20221215
 LABEL maintainer="Martin Thomson <martin.thomson@gmail.com>"
 
 RUN apt-get update \
  && apt-get install -y --no-install-recommends \
     ca-certificates \
-    clang-format-3.9 \
+    clang-format-10 \
     locales \
     mercurial \
  && rm -rf /var/lib/apt/lists/* \
  && apt-get autoremove -y && apt-get clean -y
 
 RUN update-alternatives --install /usr/bin/clang-format \
-    clang-format $(which clang-format-3.9) 10
+    clang-format $(which clang-format-10) 10
 
 ENV SHELL /bin/bash
 ENV USER worker