Update sot/testr to 4.10.0

[javierggt]

Includes the following merges:

• PR #43: Add Coverage
• PR #42: Extirpate Ska.Shell
• PR #41: Disable hypothesis plugin autoload by default
• PR #39: Check internet connectivity by requesting web URL
• PR #37: Ignore deprecation warning that comes from external packages
• PR #38: Add has_internet function to test_helpers
• PR #34: Add functionality to skip tests via skip.yml in package dir
• PR #32: Support Windows for package testing
• PR #30: rename log files and use pathlib.Path
• PR #29: Unified documentation style
• PR #27: Shiny workflow update
• PR #26: Shiny workflow update
• PR #25: Ignore bleach warning
• PR #24: Support running with no --test-spec
• PR #23: Disable caching of test results
• PR #21: Skare3 ci
• PR #22: Ignore certain warnings and supply pytest args as list not string
• PR #20: Setting up automated builds
• PR #19: Implementation of setuptools_scm usage as described in Use setuptools_scm to set package versions #240
• PR #17: Use submitted test-spec as a full filename
• PR #18: Test helpers: has_sybase(), on_head_network() and is_32_bit() + version 4.3