chore(deps): bump fish-shop/install-fish-shell from 1.0.15 to 1.0.20

Bumps [fish-shop/install-fish-shell](https://github.com/fish-shop/install-fish-shell) from 1.0.15 to 1.0.20.
- [Release notes](https://github.com/fish-shop/install-fish-shell/releases)
- [Commits](fish-shop/install-fish-shell@v1.0.15...v1.0.20)

---
updated-dependencies:
- dependency-name: fish-shop/install-fish-shell
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: fish-shop/install-fish-shell@v1.0.15
+    - uses: fish-shop/install-fish-shell@v1.0.20
     - name: Create changelog
       run: ops/create-changelog.fish > CHANGELOG.md
     - uses: softprops/action-gh-release@v2.0.8