getting the date right on substitution

Author: dsweber2

scripts/covid_data_substitutions.csv

@@ -7,4 +7,4 @@ ak, 2025-03-26, 2025-03-19, 15
 ar, 2025-03-26, 2025-03-19, 85
 ky, 2025-03-26, 2025-03-19, 130
 nj, 2025-03-26, 2025-03-19, 270
-al, 2026-01-28, 2026-01-24, 130
+al, 2026-01-28, 2026-01-21, 130

scripts/flu_data_substitutions.csv

@@ -22,4 +22,4 @@ tn, 2025-03-26, 2025-03-19, 430
 nh, 2025-04-02, 2025-03-12, 100
 nh, 2025-04-02, 2025-03-19, 80
 nh, 2025-04-02, 2025-03-26, 100
-al, 2026-01-28, 2026-03-26, 167
+al, 2026-01-28, 2026-01-21, 167