chore(release): Elect version 6da8a235a001cab5475769a7df0b0f54e7b80494 as GuestOS candidate for rollout (#1686)

Author: sa-github-api

replica-releases/6da8a235a001cab5475769a7df0b0f54e7b80494.md

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+Release Notes for [release-2025-08-21\_03-19-snapshot-feature](https://github.com/dfinity/ic/tree/release-2025-08-21_03-19-snapshot-feature) (`6da8a235a001cab5475769a7df0b0f54e7b80494`)
+=========================================================================================================================================================================================
+
+This release is based on changes since [release-2025-08-21\_03-19-base](https://dashboard.internetcomputer.org/release/f7b2fdb7deb1758622f9c8e282d09ab8813aac62) (`f7b2fdb7deb1758622f9c8e282d09ab8813aac62`).
+
+Please note that some commits may be excluded from this release if they're not relevant, or not modifying the GuestOS image.
+Additionally, descriptions of some changes might have been slightly modified to fit the release notes format.
+
+To see a full list of commits added since last release, compare the revisions on [GitHub](https://github.com/dfinity/ic/compare/release-2025-08-21_03-19-base...release-2025-08-21_03-19-snapshot-feature).
+
+Other changes:
+--------------
+
+* [`6da8a235a`](https://github.com/dfinity/ic/commit/6da8a235a) Execution,Interface: enable snapshot upload/download