feat(rockylinux-9): add support

Dockerfile.rockylinux9

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+FROM docker.io/library/rockylinux:9
+
+RUN dnf update --assumeyes && \
+    dnf install --assumeyes bash-completion sudo && \
+    dnf install --assumeyes epel-release && \
+    dnf install --assumeyes ansible-core && \
+    dnf install --assumeyes python3.12 python3-boto3 python3-botocore && \
+    dnf remove --assumeyes epel-release && \
+    dnf clean all
+
+# We must change python to 3.12 (default 3.9), to be compliant with ansible-core. Furthermore, we must upgrade pip to
+# latest version. Otherwise is still used pip for python 3.9. At least, we install boto3, which is required for the aws
+# dynamic inventory manually, because the official python-boto3 package is for python 3.9. At least, we install
+# ansible-lint via pip to be able to lint ansible roles.
+RUN ln --symbolic --force /usr/bin/python3.12 /usr/bin/python3 && \
+    curl --fail --silent --location https://bootstrap.pypa.io/get-pip.py --output get-pip.py && \
+    python3 get-pip.py && \
+    pip install ansible-lint boto3
+
+# Create default ansible inventory file
+RUN mkdir --parents /etc/ansible
+RUN echo -e "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+# Remove unnecessary getty and udev targets that result in high CPU usage when
+# using multiple containers with molecule
+# (https://github.com/ansible/molecule/issues/1104)
+RUN rm --recursive --force /lib/systemd/system/systemd*udev* && \
+    rm --recursive --force /lib/systemd/system/getty.target
+
+VOLUME [ "/sys/fs/cgroup", "/tmp", "/run"]