…10.2.0`

…1285)

…-brackets (#1287)

Resolves: #1251

…ue (#1289)

Implements: #717

* test(gha): add unit test for GitHub Actions output of `commit_sha`

  ref: #717

* test(gha): update e2e test for GitHub Actions output to include `commit_sha` output check

  ref: #717

* docs(github-actions): add description of `commit_sha` GitHub Action output in docs

…ple in startup guide (#1292)

Resolves: #1291

…value (#1300)

ref: #512

* fix(github-actions): fix variable output newlines

* docs(github-actions): add description of `release_notes` GitHub Action output

* test(gha): add unit test for GitHub Actions output of `release_notes`

* test(gha): update e2e test for GitHub Actions output to include `release_notes` output check

…alue (#1301)

ref: #512

* refactor(github-actions-output): add github client to object initialization

* docs(github-actions): add description of release `link` GitHub Action output

* test(gha): update unit tests for GitHub Actions output to include `link` output check

* test(gha): update e2e test for GitHub Actions output to include `link` output check

…ut value (#1302)

ref: #512

* test(gha): update unit test for GitHub Actions output of `previous_version`

* test(gha): update e2e test for GitHub Actions output to check for `previous_version` output

* docs(github-actions): add description of `previous_release` GitHub Action output