[BUG] `astra db dsbulk load --dry-run` always fails

Summary

On Astra CLI v1.0.2 (macOS Tahoe 26.1), astra db dsbulk load --dry-run fails with:

Operation failed: Expecting value after: -dryRun.

The CLI help presents --dry-run as a normal no-arg flag ([--dry-run]) with a boolean default, but it appears that the Astra CLI wrapper invokes DSBulk with -dryRun without passing the value.

Steps to reproduce

Run dsbulk load with --dry-run:

astra db dsbulk load dsbulk_demo_db -k demo_dsbulk -t orders_by_customer \
  --url dsbulk_samples/orders_export.csv \
  --skip-records 1 \
  --header \
  --dsbulk-config dsbulk_samples/dsbulk-timestamp.conf \
  --dry-run \
  --max-errors 25

Also fails with explicit boolean assignment:

astra db dsbulk load dsbulk_demo_db -k demo_dsbulk -t orders_by_customer \
  --url dsbulk_samples/orders_export.csv \
  --skip-records 1 \
  --header \
  --dsbulk-config dsbulk_samples/dsbulk-timestamp.conf \
  --dry-run=true \
  --max-errors 25

Actual result

WARNING: A restricted method in java.lang.System has been called
WARNING: java.lang.System::loadLibrary has been called by org.fusesource.hawtjni.runtime.Library in an unnamed module (file:/Users/ericschneider/.astra/dsbulk@v1/1.11.0/lib/jansi-1.18.jar)
WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module
WARNING: Restricted methods will be blocked in a future release unless native access is enabled

Operation failed: Expecting value after: -dryRun.

(Additional Java native-access warnings are printed but appear unrelated; the failure is deterministic and specifically references -dryRun.)