Add blogpost for week 15

Co-authored-by: Nikola Forró <nforro@redhat.com>

Author: majamassarini

weekly/2025/week-15.md

@@ -0,0 +1,13 @@
+---
+title: Week 15 in Packit
+date: 2025-04-14
+authors: mmassari
+tags:
+  - 2025-April
+  - 2025
+  - April
+---
+
+## Week 15 (April 8th – April 14th)
+
+- There is a new `osh_options` [config option](https://packit.dev/docs/configuration#osh_options) that allows you to customize OpenScanHub scans. ([packit#2570](https://github.com/packit/packit/pull/2570))