Fix deprecated PriceSheet API version from 2023-03-01 to 2023-05-01

Co-authored-by: RolandKrummenacher <1803486+RolandKrummenacher@users.noreply.github.com>

Author: Copilot

docs-mslearn/toolkit/changelog.md

@@ -64,6 +64,7 @@ _Released January 2026_
   - Fixed `Costs_v1_2` function producing duplicate records when Services table contains multiple entries for the same resource type.
   - Fixed backward compatibility in `Costs_transform_v1_2()` to support Cost Management exports that predate FOCUS 1.2.
   - Fixed broken link for GitHub Copilot instructions download in [Configure AI documentation](hubs/configure-ai.md) ([#1803](https://github.com/microsoft/finops-toolkit/issues/1803)).
+  - Fixed deprecated PriceSheet API version in managed exports and optimization engine from 2023-03-01 to 2023-05-01.
 
 ### [Power BI reports](power-bi/reports.md) v13
 
@@ -83,6 +84,7 @@ _Released January 2026_
 - **Fixed**
   - Fixed reservations-related workbooks by replacing Instance Size Flexibility ratios CSV vanity URL ([#1810](https://github.com/microsoft/finops-toolkit/issues/1810)).
   - Fixed underutilized disks recommendations not being generated for Premium SSD V2 disks ([#1831](https://github.com/microsoft/finops-toolkit/issues/1831)).
+  - Fixed deprecated PriceSheet API version from 2023-03-01 to 2023-05-01.
   - Small documentation improvements and fixes to broken links.
 
 ### [FinOps workbooks](workbooks/finops-workbooks-overview.md) v13

src/optimization-engine/runbooks/data-collection/Export-PriceSheetToBlobStorage.ps1

@@ -309,7 +309,7 @@ $MaxTries = 30 # The typical Retry-After is set to 20 seconds. We'll give 10 min
 
 if ($BillingAccountID -match $mcaBillingAccountIdRegex)
 {
-    $PriceSheetApiPath = "/providers/Microsoft.Billing/billingAccounts/$BillingAccountID/billingProfiles/$BillingProfileID/providers/Microsoft.CostManagement/pricesheets/default/download?api-version=2023-03-01&format=csv"
+    $PriceSheetApiPath = "/providers/Microsoft.Billing/billingAccounts/$BillingAccountID/billingProfiles/$BillingProfileID/providers/Microsoft.CostManagement/pricesheets/default/download?api-version=2023-05-01&format=csv"
     $result = Invoke-AzRestMethod -Path $PriceSheetApiPath -Method POST
 }
 else

src/templates/finops-hub/modules/Microsoft.CostManagement/ManagedExports/app.bicep

@@ -22,7 +22,7 @@ var MSEXPORTS = 'msexports'
 var exportsApiVersion = '2023-07-01-preview'
 var exportDataVersions = {
   focuscost: '1.2-preview'
-  pricesheet: '2023-03-01'
+  pricesheet: '2023-05-01'
   reservationdetails: '2023-03-01'
   reservationrecommendations: '2023-05-01'
   reservationtransactions: '2023-05-01'