Move back to correct private pension income index (#1207)

* Move back to correct private pension income index

* Run on macos

* Update reform tests

* Changelog entry

Author: nikhilwoodruff

.github/workflows/code_changes.yaml

@@ -21,7 +21,7 @@ jobs:
           with:
               args: ". -l 79 --check"
   Test:
-      runs-on: ubuntu-latest
+      runs-on: macos-latest
       permissions:
         contents: "read"
         id-token: "write"

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    fixed:
+    - Private pension income index set to RPI<=5%

policyengine_uk/tests/microsimulation/reforms_config.yaml

@@ -1,10 +1,10 @@
 reforms:
 - name: Raise basic rate by 1pp
-  expected_impact: 7.8
+  expected_impact: 7.7
   parameters:
     gov.hmrc.income_tax.rates.uk[0].rate: 0.21
 - name: Raise higher rate by 1pp
-  expected_impact: 5.0
+  expected_impact: 4.9
   parameters:
     gov.hmrc.income_tax.rates.uk[1].rate: 0.42
 - name: Raise personal allowance by ~800GBP/year
@@ -16,7 +16,7 @@ reforms:
   parameters:
     gov.hmrc.child_benefit.amount.additional: 25
 - name: Reduce Universal Credit taper rate to 20%
-  expected_impact: -38.2
+  expected_impact: -38.3
   parameters:
     gov.dwp.universal_credit.means_test.reduction_rate: 0.2
 - name: Raise Class 1 main employee NICs rate to 10%
@@ -28,6 +28,6 @@ reforms:
   parameters:
     gov.hmrc.vat.standard_rate: 0.22
 - name: Raise additional rate by 3pp
-  expected_impact: 4.5
+  expected_impact: 4.4
   parameters:
     gov.hmrc.income_tax.rates.uk[2].rate: 0.48

policyengine_uk/variables/input/private_pension_income.py

@@ -10,4 +10,4 @@ class private_pension_income(Variable):
     unit = GBP
     reference = "Income Tax (Earnings and Pensions) Act 2003 s. 1(1)(b)"
     quantity_type = FLOW
-    uprating = "gov.obr.per_capita.non_labour_income"
+    uprating = "gov.obr.private_pension_index"