feat: (observability) add spans for BatchTransaction and Table · googleapis/nodejs-spanner@6adf870

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions/setup-node@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

'REQUEST' is assigned a value but never used

'res' is assigned a value but never used

'part' is defined but never used

'resp' is defined but never used

'res' is assigned a value but never used

'part' is defined but never used

'resp' is defined but never used

'reject' is defined but never used

'reject' is defined but never used

'status1' is assigned a value but never used

The process '/usr/bin/git' failed with exit code 128

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