clean: Replace scalaj with sttp

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +9.55% (target: -1.00%)	:white_check_mark: 37.50%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (161c45f7dfd96c673ee336aa02db4e751bc1e13e) | 741 | 561 | 75.71% | | | Head commit (d8df60cad05e27333b3c28ac89f837feccbac411) | 380 (-361) | 324 (-237) | 85.26% (**+9.55%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#496) | 8 | 3 | **37.50%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

See your quality gate settings    Change summary preferences

_{You may notice some variations in coverage metrics with the latest Coverage engine update. For more details, visit the documentation}