docs: add release notes for v1.0.5

Author: github-actions[bot]

release_notes/v1.0.5.md

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+## [1.0.5](https://github.com/NHSDigital/eps-devcontainers/compare/v1.0.4...v1.0.5) (2026-02-19)
+
+
+### Fix
+
+* [AEA-0000] - Base node image (#21) ([469314c](https://github.com/NHSDigital/eps-devcontainers/commit/469314c1e373afe4365953c074001e66a8725d9f))
+* [AEA-0000] - build attestation (#22) ([228a6e2](https://github.com/NHSDigital/eps-devcontainers/commit/228a6e215ff0599fa1779c2b911aad4b732be7c0))
+
+
+
+
+## Info
+[Release workflow run](https://github.com/NHSDigital/eps-devcontainers/actions/runs/22164156802) - Workflow ID: 22164156802
+
+It was initialized by [anthony-nhs](https://github.com/anthony-nhs)
+
+