Bump year & fix SMIC value

packages/tools/src/scripts/extract_openfisca_json.ts

@@ -37,7 +37,7 @@ async function main() {
   await $`node build/scripts/merge_variables_summaries.js ${jsonDir}`
   await $`node build/scripts/diff_reforms_decompositions.js ${jsonDir}`
   await $`node build/scripts/merge_reforms.js ${jsonDir}`
-  await $`node build/scripts/merge_test_cases.js ${jsonDir} --smic=21627 --year 2025`
+  await $`node build/scripts/merge_test_cases.js ${jsonDir} --smic=21621.6 --year 2026`
 
   await $`node build/scripts/clean_metadata.js ${jsonDir}`
 }