fix(fp-check): bump version to 1.0.4

This branch bumped 1.0.2 -> 1.0.3, but main has since reached 1.0.3 on its
own, so the bump is now a no-op against the merge base and the
version-increment check fails: "version 1.0.3 is not greater than 1.0.3".
1.0.4 is the next free patch number.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

.claude-plugin/marketplace.json

@@ -343,7 +343,7 @@
     },
     {
       "name": "fp-check",
-      "version": "1.0.3",
+      "version": "1.0.4",
       "description": "Systematic false positive verification for security bug analysis with mandatory gate reviews",
       "author": {
         "name": "Maciej Domanski"

plugins/fp-check/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "fp-check",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Systematic false positive verification for security bug analysis with mandatory gate reviews",
   "author": {
     "name": "Maciej Domanski"