containers: centos:stream -> centos:stream9 (#44876)

share/spack/templates/container/Dockerfile

@@ -4,7 +4,7 @@
 {% endif %}
 {% if render_phase.build %}
 # Build stage with Spack pre-installed and ready to be used
-FROM {{ build.image }} as builder
+FROM {{ build.image }} AS builder
 
 {% block build_stage %}
 {% if os_packages_build %}

share/spack/templates/container/bootstrap-base.dockerfile

@@ -1,4 +1,4 @@
-FROM {{ bootstrap.image }} as bootstrap
+FROM {{ bootstrap.image }} AS bootstrap
 
 {% block env_vars %}
 ENV SPACK_ROOT=/opt/spack \

share/spack/templates/container/centos_stream9.dockerfile

@@ -1,14 +1,14 @@
 {% extends "container/bootstrap-base.dockerfile" %}
 {% block install_os_packages %}
 RUN dnf update -y \
- # See https://fedoraproject.org/wiki/EPEL#Quickstart for powertools
+ # See https://fedoraproject.org/wiki/EPEL#Quickstart for crb
  && dnf install -y dnf-plugins-core \
- && dnf config-manager --set-enabled powertools \
+ && dnf config-manager --set-enabled crb \
  && dnf install -y epel-release \
  && dnf update -y \
  && dnf --enablerepo epel groupinstall -y "Development Tools" \
  && dnf --enablerepo epel install -y \
-        curl \
+        curl-minimal \
         findutils \
         gcc-c++ \
         gcc \