Merge pull request #9317 from kmaehashi/bump-docker-v13.6.0

[v13] Bump Docker to v13.6.0 release

Merge pull request #9225 from kmaehashi/bump-v13.5.1-docker

[v13] Bump verison in Dockerfile to v13.5.1

Merge pull request #9221 from kmaehashi/bump-docker

[v13] Bump version in Dockerfile to v13.5.0

Merge pull request #9083 from kmaehashi/bump-docker-v14.0.0a1

Update Docker images for v14.0.0a1 release

Merge pull request #9052 from kmaehashi/bump-docker-v13.4.1

Bump to v13.4.1 in Dockerfile

Merge pull request #8999 from kmaehashi/bump-docker-v13.4.0

[v13] Bump docker images for v13.4.0 release

Merge pull request #8548 from kmaehashi/bump-docker-v13.3.0

[v13] Bump version in Dockerfile for v13.3.0

Merge pull request #8376 from takagi/bump-dockerfile

Bump Dockerfile

Merge pull request #8299 from takagi/bump-v13.1.0

Bump to v13.1.0

Merge pull request #8125 from emcastillo/bump-dockerv13

[v13] Bump docker files to v13.0.0