Add changelog entries to release notes

See merge request components/opentofu!159

Outsource release tooling into script

See merge request components/opentofu!158

Added another job prefix to delete-state.needs

See merge request components/opentofu!157

Sorry, I missed this one when I updated the validate-plan-destroy template.

Fix: Add missing prefix on `delete-state.needs`.

See merge request components/opentofu!156

Add job_name_prefix as per full-pipeline template

See merge request components/opentofu!154

Only sign images on GitLab.com

See merge request components/opentofu!155

Changelog: fixed

Similar to !153 this adds support for job name prefixes when using these templates.

See merge request components/opentofu!153

Changelog: feature

This adds a new `job_name_prefix` input, the same as the `job-templates.yml` file so that this can be used mutiple times in the same config, for example to support multi-environment pipelines.

Support specifying image digests

See merge request components/opentofu!152

We cannot use it because of
https://gitlab.com/gitlab-org/gitlab/-/issues/477707

Refs https://gitlab.com/components/opentofu/-/issues/34

Changelog: feature

Reduce debian image size by moving to slim variant

See merge request components/opentofu!151

Refs https://gitlab.com/components/opentofu/-/issues/44

chore(deps): update alpine/crane docker tag to v0.20.2

See merge request components/opentofu!150

Document commands to verify image signatures

See merge request components/opentofu!149