fix(build): add executableName for Linux builds (#71)

- Add executableName: 'athanor' to fix deb/rpm maker finding the binary
- Bump version to 0.7.15

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: lacerbi <luigi.acerbi@gmail.com>
Co-authored-by: Claude <noreply@anthropic.com>

Author: lacerbi

forge.config.js

@@ -1,6 +1,7 @@
 module.exports = {
   packagerConfig: {
     name: 'Athanor',
+    executableName: 'athanor',
     asar: true,
     prune: true,
     icon: 'assets/athanor',

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "athanor",
-  "version": "0.7.14",
+  "version": "0.7.15",
   "bugs": {
     "url": "https://github.com/lacerbi/athanor/issues"
   },