Enable export substitution for _version.py

[QuLogic]

I'm not sure why this was missed, but when you install versioneer, it adds these attributes so that things like version/commit hash/etc. are correct when you make a git archive. Without this substitution, test_git_revision fails because there is no revision info in the archive tarball.

• Tests added / passed
• Passes pre-commit run --all-files

[github-actions]

Unit Test Results

See test report for an extended history of previous test failures. This is useful for diagnosing flaky tests.

    29 files  ±    0      29 suites  ±0   10h 11m 57s ⏱️ - 1h 20m 22s
 4 066 tests +    5   3 945 ✅  -    16    106 💤 +  9  11 ❌ +8   4 🔥 + 4 
48 342 runs   - 7 597  46 398 ✅  - 7 374  1 915 💤  - 248  12 ❌ +8  17 🔥 +17 

For more details on these failures and errors, see this check.

Results for commit e135b0a. ± Comparison against base commit aeebb2d.

This pull request removes 8 and adds 13 tests. Note that renamed tests count towards both.

distributed.diagnostics.tests.test_memray ‑ test_basic_integration_scheduler
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_scheduler_report_args[False]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_scheduler_report_args[report_args0]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_workers[1]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_workers[False]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_workers[True]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_workers_report_args[False]
distributed.diagnostics.tests.test_memray ‑ test_basic_integration_workers_report_args[report_args0]

distributed.protocol.tests.test_arrow
distributed.protocol.tests.test_collection
distributed.protocol.tests.test_highlevelgraph
distributed.protocol.tests.test_numpy
distributed.protocol.tests.test_pandas
distributed.shuffle.tests.test_graph
distributed.shuffle.tests.test_merge
distributed.shuffle.tests.test_merge_column_and_index
distributed.shuffle.tests.test_metrics
distributed.shuffle.tests.test_rechunk
…