Bump followthemoney from 3.5.9 to 3.6.4

Bumps [followthemoney](https://github.com/alephdata/followthemoney) from 3.5.9 to 3.6.4.
- [Release notes](https://github.com/alephdata/followthemoney/releases)
- [Commits](alephdata/followthemoney@v3.5.9...v3.6.4)

---
updated-dependencies:
- dependency-name: followthemoney
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,7 +1,7 @@
 banal==1.0.6
 normality==2.5.0
 pantomime==0.6.1
-followthemoney==3.5.9
+followthemoney==3.6.4
 followthemoney-store[postgresql]==3.1.0
 servicelayer[google,amazon]==1.22.2
 languagecodes==1.1.1