feat(solo): instantly mine on POST /transactions (#1185) #370

Job	Run time
Generate Docker Tags	5s
Lint / golangci-lint	1m 43s
Go Module Check / ensure go mod is tidy	11s
Run Unit Tests / test_coverage	3m 44s
Run Unit Tests / unit_tests (1.24.x, ubuntu-latest)	1m 9s
Run Unit Tests / unit_tests (1.24.x, windows-latest)	3m 37s
Run Unit Tests / unit_tests (1.22.x, ubuntu-latest)	2m 2s
Run Unit Tests / unit_tests (1.21.x, ubuntu-latest)	2m 14s
License Check / license-check	32s
E2E Tests / Build Docker image	1m 53s
Run Unit Tests / unit_tests (1.24.x, macos-latest)	1m 24s
Run Unit Tests / unit_tests (1.23.x, ubuntu-latest)	2m 3s
Rosetta Tests / Run Solo e2e Tests	2m 11s
E2E Tests / run-hayabusa-tests / run-tests (tests/validations)	5m 34s
E2E Tests / run-hayabusa-tests / run-tests (tests/delegations)	8m 26s
E2E Tests / run-hayabusa-tests / run-tests (tests/slots)	3m 33s
E2E Tests / run-hayabusa-tests / run-tests (tests/energy)	3m 52s
E2E Tests / run-hayabusa-tests / run-tests (tests/stargate)	3h 2m 51s
E2E Tests / Run Tests	6m 36s
Notify Slack	1s
Publish Docker Image	0s
	3h 53m 41s

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