add icse26 junyong trip report

Author: hjyongdev

data/trips.yaml

@@ -27,7 +27,7 @@
         - name: Wonseok
           link: /reports/icse26_wonseok.pdf
         - name: Junyong
-          link: ""
+          link: /reports/icse26_junyong.pdf
         - name: Miryeong
           link: /reports/icse26_miryeong.pdf
   - name: IFIP WG 2.4 Meeting 71