gateway: bump graalvm/setup-graalvm from 1.4.2 to 1.4.3

Bumps [graalvm/setup-graalvm](https://github.com/graalvm/setup-graalvm) from 1.4.2 to 1.4.3.
- [Release notes](https://github.com/graalvm/setup-graalvm/releases)
- [Commits](graalvm/setup-graalvm@eec4810...dec5790)

---
updated-dependencies:
- dependency-name: graalvm/setup-graalvm
  dependency-version: 1.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/dummy.yml

@@ -77,7 +77,7 @@ jobs:
         if: false
       - uses: google-github-actions/setup-gcloud@aa5489c8933f4cc7a4f7d45035b3b1440c9c10db  # v3.0.1
         if: false
-      - uses: graalvm/setup-graalvm@eec48106e0bf45f2976c2ff0c3e22395cced8243  # v1.4.2
+      - uses: graalvm/setup-graalvm@dec5790292b7b36d7ad368abe856887749c6c520  # v1.4.3
         if: false
       - uses: gradle/wrapper-validation-action@f9c9c575b8b21b6485636a91ffecd10e558c62f6  # v3.5.0
         if: false