fix: lotus-provider: Fix log output format in wdPostTaskCmd

[rjan90]

Proposed Changes

Fixes a minor issue in the logging output of the wdPostTaskCmd action in the proving.go file. Previously, the log output for the result was not formatted correctly, leading to extraneous output in the logs.

Additional Info

Before you would get Result:%!(EXTRA string=

lotus-provider --db-host=localhost test window-post task
repopath ~/.lotusprovider
Inserted task 1701. Waiting for success 2023-12-07T11:30:24.502+0100	INFO	mainlotus-provider/proving.go:120	Result:%!(EXTRA string={
  "deadline": 0,
  "partition": 0,
  "proof_params": "hQCBggBAgYIKWMCnQ1eJeQ3JcqgJkwuRW/9zOOvQD3T0gFiGwuZoGgWC0Zp+/b40HKVC932VjaybzVmr8rAVDOZSLLqWTOl1CdpSCp4LGSiv5dMBo8G3GsMCqVM8LsM7KSjNMZiqefOgtBQQPJ3U5DYdpHLeZPsugeicQuayvHE6oJpwBzY7z4f58TYJIS3f5AQl77tsYilbtvmi7tGbUTUSbPskY8kgi8u6XI9+/IjsV6U/B9FcDhFiegcuH+MH1/Rde9K4GunCF/MAQA==",
  "proving_period_start": 1927,
  "sp_id": 1000,
  "submit_at_epoch": 1927,
  "submit_by_epoch": 1987
})

After

lotus-provider --db-host=localhost test window-post task
repopath ~/.lotusprovider
Inserted task 3201. Waiting for success ..2023-12-07T11:45:12.398+0100	INFO	main	lotus-provider/proving.go:120	Result: {
  "deadline": 0,
  "partition": 0,
  "proof_params": "hQCBggBAgYIKWMCHeORdGlSN4ERtOg/VRPdAB9LQp9+LuBIegdO0EFnFuAAgQwsnIlJeKJcXnoaKeYCnAmmKM4CMHLf6Jp9+I2R84CK/EhW7hR/3yo7QtHTRS/IjPLeMa/V8Pkf4YPAEUxoXoKyoEY0aFFvOb2IyWn5M8GTLNfxrMhooPAN/VBRKcLAtyyM4bYf3rC8y6un5yB2Kg1Xm/Pl71RavBTXB69avbVdHCmRe/o4iM+Ww8ZacsyYrWRfW3+2JnLwfJriDGAMAQA==",
  "proving_period_start": 2149,
  "sp_id": 1000,
  "submit_at_epoch": 2149,
  "submit_by_epoch": 2209
}

Checklist

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