chore(deps): bump ipfs/gateway-conformance from 0.12 to 0.13 (#363)

Bumps [ipfs/gateway-conformance](https://github.com/ipfs/gateway-conformance) from 0.12 to 0.13.
- [Release notes](https://github.com/ipfs/gateway-conformance/releases)
- [Changelog](https://github.com/ipfs/gateway-conformance/blob/main/CHANGELOG.md)
- [Commits](ipfs/gateway-conformance@v0.12...v0.13)

---
updated-dependencies:
- dependency-name: ipfs/gateway-conformance
  dependency-version: '0.13'
  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/gateway-conformance.yml

@@ -51,7 +51,7 @@ jobs:
 
       # 2. Download the gateway-conformance fixtures
       - name: Download gateway-conformance fixtures
-        uses: ipfs/gateway-conformance/.github/actions/extract-fixtures@v0.12
+        uses: ipfs/gateway-conformance/.github/actions/extract-fixtures@v0.13
         with:
           output: fixtures
 
@@ -161,7 +161,7 @@ jobs:
 
       # 6. Run the gateway-conformance tests
       - name: Run gateway-conformance tests
-        uses: ipfs/gateway-conformance/.github/actions/test@v0.12
+        uses: ipfs/gateway-conformance/.github/actions/test@v0.13
         with:
           gateway-url: http://127.0.0.1:8090
           subdomain-url: http://example.com:8090