deps: bump spanemuboost to v0.4.5

[apstndb]

Summary:

• Bump github.com/apstndb/spanemuboost from v0.4.1 to v0.4.5.
• Accept the resulting golang.org/x/sync v0.21.0 indirect dependency update.
• Checked the v0.4.5 release notes: the update focuses on serialized admin lifecycle operations, rollback and cleanup hardening, and Omni serve bootstrap behavior.

Release notes:

• https://github.com/apstndb/spanemuboost/releases/tag/v0.4.5

Validation:

• make check

[gemini-code-assist]

Code Review

This pull request updates the dependencies in go.mod and go.sum, specifically upgrading github.com/apstndb/spanemuboost from v0.4.1 to v0.4.5 and golang.org/x/sync from v0.20.0 to v0.21.0. There are no review comments, and I have no feedback to provide.

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[github-actions]

Code Metrics Report

📊 View detailed coverage report (available for 7 days)

	main (6cc0284)	#679 (376fb12)	+/-
Coverage	70.2%	70.2%	0.0%
Code to Test Ratio	1:1.2	1:1.2	0.0
Test Execution Time	1m49s	1m44s	-5s

Details

  |                     | main (6cc0284) | #679 (376fb12) | +/-  |
  |---------------------|----------------|----------------|------|
  | Coverage            |          70.2% |          70.2% | 0.0% |
  |   Files             |             84 |             84 |    0 |
  |   Lines             |           7497 |           7497 |    0 |
  |   Covered           |           5263 |           5263 |    0 |
  | Code to Test Ratio  |          1:1.2 |          1:1.2 |  0.0 |
  |   Code              |          17253 |          17253 |    0 |
  |   Test              |          22302 |          22302 |    0 |
+ | Test Execution Time |          1m49s |          1m44s |  -5s |

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Reported by octocov