chore: change to official, up-to-date Rocky Linux containers for building RPMs

Author: ma-benedetti

CHANGELOG.md

@@ -38,6 +38,7 @@ Monitoring Plugins:
 Build, CI/CD:
 
 * Add build targets for Debian 13 and Rocky 10
+* Change to official, up-to-date Rocky Linux containers for building RPMs ([Motivation](https://hub.docker.com/_/rockylinux#important-note))
 
 
 Assets:

build/containerfiles/rocky8

@@ -1,4 +1,5 @@
-FROM docker.io/library/rockylinux:8
+# Don't use Rocky containers from docker.io/library as they are out of date.
+FROM docker.io/rockylinux/rockylinux:8
 
 # Install Python 3.9
 RUN dnf --assumeyes install --nodocs gcc python39-pip python39-devel && \

build/containerfiles/rocky9

@@ -1,4 +1,5 @@
-FROM docker.io/library/rockylinux:9
+# Don't use Rocky containers from docker.io/library as they are out of date.
+FROM docker.io/rockylinux/rockylinux:9
 
 # Install Python 3
 RUN dnf --assumeyes install --nodocs gcc python3-pip python3-devel && \