Bump docker/login-action from 2 to 3

Bumps [docker/login-action](https://github.com/docker/login-action) from 2 to 3.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@v2...v3)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/cd.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login to Artifactory
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: splitio-docker-dev.jfrog.io
           username: ${{ secrets.ARTIFACTORY_DOCKER_USER }}

.github/workflows/unstable.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login to DockerHub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: splitio-docker-dev.jfrog.io
           username: ${{ secrets.ARTIFACTORY_DOCKER_USER }}