chore: accept v0.29.0 for template release #491

Job	Run time
Python 3.11	1m 15s
Template gates	55s
Coverage	1m 30s
Dashboard scenario snapshots	39s
Python 3.13	1m 13s
JavaScript dashboard	6s
Python 3.12	1m 16s
Validate runtime lock / Validate hash-pinned runtime dependencies	35s
Validate vendored assets / Validate vendored third-party assets	36s
	8m 5s

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