fix: update SLC test values to match current EES forecast data

The EES permalink returns revised forecast figures; hardcoded assertions
were stale. Updated Plan 2 and Plan 5 values to match what the API
currently returns.

Author: nikhilwoodruff

policyengine_uk_data/tests/test_student_loan_targets.py

@@ -18,9 +18,9 @@ def test_slc_plan2_values():
 
     targets = {t.name: t for t in get_all_targets()}
     p2 = targets["slc/plan_2_borrowers_above_threshold"]
-    assert p2.values[2025] == 3_985_000
-    assert p2.values[2026] == 4_460_000
-    assert p2.values[2029] == 5_155_000
+    assert p2.values[2025] == 3_670_000
+    assert p2.values[2026] == 4_130_000
+    assert p2.values[2029] == 4_820_000
 
 
 def test_slc_plan5_values():
@@ -30,5 +30,5 @@ def test_slc_plan5_values():
     targets = {t.name: t for t in get_all_targets()}
     p5 = targets["slc/plan_5_borrowers_above_threshold"]
     assert 2025 not in p5.values  # no Plan 5 borrowers yet in 2024-25
-    assert p5.values[2026] == 35_000
-    assert p5.values[2029] == 765_000
+    assert p5.values[2026] == 25_000
+    assert p5.values[2029] == 700_000