[TEST] Use shared GitHub workflows for uv

[jonavellecuerdo]

Purpose and background context

Testing CI workflow runs for the following activity types: [opened, reopened]

[jonavellecuerdo]

Creating the PR executes the CI and dev-build workflows.
https://github.com/MITLibraries/timdex-embeddings/actions/runs/20759436154
https://github.com/MITLibraries/timdex-embeddings/actions/runs/20759436216

[jonavellecuerdo]

Reopening PR executes CI workflow.
https://github.com/MITLibraries/timdex-embeddings/actions/runs/20759545216

[jonavellecuerdo]

Pushing a commit that changes a file within the .github/ directory does not execute CI as expected.

[jonavellecuerdo]

Pushing a commit that changes a file outside the .github/ directory does not execute the CI, which was unexpected. This suggests the edited activity type doesn't capture pushes for branches with an open PR. 🤔

[jonavellecuerdo]

Loop has gotten confusing. Will restart testing. 😅