bump nim-json-rpc to `8e1cdb18230f7e7172b4b4aa503b0d66fe530942`

[etan-status]

• Add redefine pragma to inner template
• update ci.yml and be more explicit in .nimble

[github-actions[bot]]

Unit Test Results

         9 files  ±0    1 334 suites  ±0   26m 25s :stopwatch: - 2m 0s   4 999 tests ±0    4 651 :heavy_check_mark: ±0  348 :zzz: ±0  0 :x: ±0  20 877 runs  ±0  20 473 :heavy_check_mark: ±0  404 :zzz: ±0  0 :x: ±0 

Results for commit ef8972f3. ± Comparison against base commit cac63a3a.