Fix affected_versions format in metadata.json

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: G0RiyA

pocs/linux/kernelctf/CVE-2026-23278_cos/metadata.json

@@ -7,13 +7,7 @@
       "patch_commit":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9",
       "cve":"CVE-2026-23278",
       "affected_versions":[
-        "v6.4-rc1 - v7.0-rc3",
-        "v6.3.10 - v6.3.x",
-        "v6.1.36 - v6.1.x",
-        "v5.15.121 - v5.15.x",
-        "v5.10.188 - v5.10.x",
-        "v5.4.262 - v5.4.x",
-        "v4.19.316 - v4.19.x"
+        "6.4-rc1 - 7.0-rc3"
       ],
       "requirements":{
         "attack_surface":[