Bump octokit from 2.1.0 to 3.1.2 (woocommerce#42891)

* Bump octokit from 2.1.0 to 3.1.2

Bumps [octokit](https://github.com/octokit/octokit.js) from 2.1.0 to 3.1.2.
- [Release notes](https://github.com/octokit/octokit.js/releases)
- [Commits](octokit/octokit.js@v2.1.0...v3.1.2)

---
updated-dependencies:
- dependency-name: octokit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Rename env variable

* Add changelog

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jon Lane <[email protected]>

.github/workflows/ci.yml

@@ -290,7 +290,7 @@ jobs:
 
             - name: 'Send workflow dispatch'
               env:
-                  GITHUB_TOKEN: ${{ secrets.REPORTS_TOKEN }}
+                  GH_TOKEN: ${{ secrets.REPORTS_TOKEN }}
                   PR_NUMBER: ${{ github.event.pull_request.number }}
                   RUN_ID: ${{ github.run_id }}
               run: |
@@ -358,7 +358,7 @@ jobs:
 
             - name: 'Publish reports'
               env:
-                  GITHUB_TOKEN: ${{ secrets.REPORTS_TOKEN }}
+                  GH_TOKEN: ${{ secrets.REPORTS_TOKEN }}
                   PR_NUMBER: ${{ github.event.pull_request.number }}
                   RUN_ID: ${{ github.run_id }}
               run: |

plugins/woocommerce/changelog/dependabot-npm_and_yarn-octokit-3.1.2

@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+
+Update Octokit from 2.1.0 to 3.1.2 and updated variable names