Fix grpc.Dial() option

[k1LoW]

No description provided.

[github-actions]

Code Metrics Report

	main (b74ef35)	#80 (8a17512)	+/-
Coverage	75.4%	75.3%	-0.1%
Code to Test Ratio	1:0.7	1:0.7	-0.0
Test Execution Time	50s	50s	0s

Details

  |                     | main (b74ef35) | #80 (8a17512) |  +/-  |
  |---------------------|----------------|---------------|-------|
- | Coverage            |          75.4% |         75.3% | -0.1% |
  |   Files             |             15 |            15 |     0 |
  |   Lines             |           1653 |          1653 |     0 |
- |   Covered           |           1247 |          1245 |    -2 |
- | Code to Test Ratio  |          1:0.7 |         1:0.7 |  -0.0 |
  |   Code              |           3254 |          3260 |    +6 |
  |   Test              |           2329 |          2329 |     0 |
  | Test Execution Time |            50s |           50s |    0s |

Code coverage of files in pull request scope (71.7% → 71.7%)

Files	Coverage	+/-
grpc.go	71.7%	0.0%

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Reported by octocov