Replace Travis with GitHub Actions to execute Linux CI

[ttu]

Currently, the repository uses Travis CI to execute continuous integration (CI) tasks on Linux environments. Due to issues it has been disabled.

Replace Travis CI with GitHub Actions to execute CI tasks on Linux environments.

Example configuration from another project.

Acceptance criteria:

• [ ] Replace Travis CI with GitHub Actions to execute CI tasks on Linux environments.
• [ ] Workflow is executed on every push and automatically once per week.
• [ ] The workflow should include steps to restore dependencies, build the project, and run tests.