Response() supports accepting any value

[k1LoW]

With this improvement, structures for responses generated by protoc-gen-go can be used as is.

[github-actions]

Code Metrics Report

	main (6fb2a8e)	#58 (e061a99)	+/-
Coverage	82.2%	82.1%	-0.1%
Code to Test Ratio	1:0.4	1:0.4	-0.0
Test Execution Time	30s	26s	-4s

Details

  |                     | main (6fb2a8e) | #58 (e061a99) |  +/-  |
  |---------------------|----------------|---------------|-------|
- | Coverage            |          82.2% |         82.1% | -0.1% |
  |   Files             |              3 |             3 |     0 |
  |   Lines             |            628 |           636 |    +8 |
+ |   Covered           |            516 |           522 |    +6 |
- | Code to Test Ratio  |          1:0.4 |         1:0.4 |  -0.0 |
  |   Code              |           2120 |          2137 |   +17 |
  |   Test              |            883 |           883 |     0 |
+ | Test Execution Time |            30s |           26s |   -4s |

Code coverage of files in pull request scope (83.3% → 83.2%)

Files	Coverage	+/-
grpcstub.go	83.2%	-0.1%

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Reported by octocov