Add changelog entries

Author: SBGoods

.changes/unreleased/BUG FIXES-20250218-172440.yaml

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+kind: BUG FIXES
+body: 'helper/schema: Fixed bug that allowed write-only attributes within set nested blocks. 
+Any attribute within a set nested block with `WriteOnly` set to `true` will now trigger an error message.'
+time: 2025-02-18T17:24:40.023079-05:00
+custom:
+    Issue: "1427"

.changes/unreleased/NOTES-20250218-172625.yaml

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+kind: NOTES
+body: Write-only attribute support is in technical preview and offered without compatibility promises until Terraform 1.11 is generally available.
+time: 2025-02-18T17:26:25.941391-05:00
+custom:
+    Issue: "1375"