Upgrade github/core to 1.2.6 to support new add-path method (#14)

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*Motivation*

https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/
1632 files changed
tree: 12234d36aa7c605de3a0e166ea1fea2e77254ef7
  1. .asf.yaml
  2. .gitignore
  3. README.md
  4. cherry-pick/
  5. diff-only/
  6. pulsarbot/
  7. setup-maven/
README.md

Apache Pulsar Test Infrastructure

This repo is used for keeping all the scripts and github actions for running Pulsar test infrastructure.

Github Actions