Bump slither-analyzer from 0.10.3 to 0.10.4 in /scripts

Bumps [slither-analyzer](https://github.com/crytic/slither) from 0.10.3 to 0.10.4.
- [Release notes](https://github.com/crytic/slither/releases)
- [Commits](crytic/slither@0.10.3...0.10.4)

---
updated-dependencies:
- dependency-name: slither-analyzer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

scripts/requirements.txt

@@ -1 +1 @@
-slither-analyzer==0.10.3
+slither-analyzer==0.10.4