fix: handle edge cases in filename resolution and implement download retry

v1.0.7
- No extension changes (release tooling fixes only)

v1.0.6
- Fix: resolved AMO (Firefox Add-on) validation errors for extension submission

v1.0.5
- Fix: support downloading mp4 posts by using .fileText selector instead of .firstChild

v1.0.4
- Fix: exclude scripts/ directory from extension zip
- Fix: update web-ext config for web-ext 10 compatibility
- Fix: resolve transitive dependency vulnerabilities (minimatch, node-forge)

v1.0.3 bring the following fixes and changes:

* fix name of "spoiler image"
* update project dependencies