Merge branch 'fetch_all_tags' into 'master'

Fetch all tags before looking for the latest version tag.

See merge request openfisca/openfisca-france-reforms!3

src/scripts/sync_with_openfisca_france.ts

@@ -30,6 +30,9 @@ async function latestVersionObjectFromTags() {
 /// Upgrade, test & push openfisca-france-reforms when openfisca-france or
 /// openfisca-france-reforms change.
 async function main() {
+  // Retrieve all tags (used by latestVersionObjectFromTags).
+  await `git fetch --all --tags`
+
   await $`poetry update`
   await $`poetry install`