gateway: bump ncipollo/release-action from 1.18.0 to 1.20.0 (#286)

Bumps [ncipollo/release-action](https://github.com/ncipollo/release-action) from 1.18.0 to 1.20.0.
- [Release notes](https://github.com/ncipollo/release-action/releases)
- [Commits](ncipollo/release-action@bcfe547...b7eabc9)

---
updated-dependencies:
- dependency-name: ncipollo/release-action
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/dummy.yml

@@ -101,7 +101,7 @@ jobs:
         if: false
       - uses: mozilla-actions/sccache-action@7d986dd989559c6ecdb630a3fd2557667be217ad  # v0.0.9
         if: false
-      - uses: ncipollo/release-action@bcfe5470707e8832e12347755757cec0eb3c22af  # v1.18.0
+      - uses: ncipollo/release-action@b7eabc95ff50cbeeedec83973935c8f306dfcd0b  # v1.20.0
         if: false
       - uses: nwtgck/actions-netlify@4cbaf4c08f1a7bfa537d6113472ef4424e4eb654  # v3.0.0
         if: false