Support skipping tests in CI for self-managed

Closes #40

See merge request components/opentofu!67

This change set allows to disable the unit and integration tests in the
pipeline intended for GitLab self-managed to save runner resources.

Changelog: added

Closes https://gitlab.com/components/opentofu/-/issues/40

Mock CI_SERVER_HOST predefined env variable for unit test

See merge request components/opentofu!65

Improve self-managed mirror docs in README

See merge request components/opentofu!66

This change set mocks the CI_SERVER_HOST predefined environment variable
with a deterministic value in the unit tests.
This is necessary so that the unit tests run on self-managed.

Changelog: fixed

Document best practice for lockfile handling

Closes #38

See merge request components/opentofu!64

This change set documents a best practice for how to configure the
component when a lockfile is being used.

Closes https://gitlab.com/components/opentofu/-/issues/38

Changelog: added

Fix image registry name for backports

See merge request components/opentofu!63

Changelog: fixed

chore(deps): update docker docker tag to v26.1.2

See merge request components/opentofu!59

Fix auto deploy and auto destroy in backports

Closes #37

See merge request components/opentofu!62

Closes https://gitlab.com/components/opentofu/-/issues/37

Changelog: fixed

Support OpenTofu 1.7.1

See merge request components/opentofu!61

Add OpenTofu 1.7.0

See merge request components/opentofu!60

fix: get project values from CI variables

Closes #36

See merge request components/opentofu!56

Changelog: fixed

$CI_REGISTRY <- registry.gitlab.com
$CI_SERVER_FQDN <- gitlab.com
$CI_PROJECT_PATH <- components/opentofu

Closes: https://gitlab.com/components/opentofu/-/issues/36

chore(deps): update docker docker tag to v26.1.0

See merge request components/opentofu!58

style: Remove trailing whitespace and use-less use of cat

See merge request components/opentofu!57

git grep -l '\s\+$' | xargs sed -e 's/\s\+$//' -i

Update docker Docker tag to v26.0.2

See merge request components/opentofu!55

Update docker Docker tag to v26.0.1

See merge request components/opentofu!53