chore(cut): v0.6.1

Bump version to v0.6.1. Includes fix for CVE-2026-27459 (CRITICAL):
pin pyopenssl>=26.0.0 to address buffer overflow in versions <26.0.0
pulled transitively from the UBI10 base image.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Giulia Naponiello <gnaponie@redhat.com>

Author: gnaponie

Makefile

@@ -15,7 +15,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-VERSION ?= 0.6.0
+VERSION ?= 0.6.1
 CONTAINER_MANAGER ?= podman
 
 # Image configuration