Replace cURL to Slack with slackapi/slack-github-action

[dhruvkb]

Problem

The following workflows make Slack API calls using a cURL request.

• openverse/.github/workflows/discussion_ping.yml

  Lines 23 to 27 in c312886

  	curl \
  	"$slack_url" \
  	-X POST \
  	-H 'Content-Type: application/json' \
  	-d '{"text":"New discussion opened by '"$discussion_author"' in '"$discussion_repo"': #'"$discussion_number"' - '"$discussion_title"'","blocks":[{"type":"section","text":{"type":"mrkdwn","text":":github: New discussion opened by *'"$discussion_author"'* in `'"$discussion_repo"'`:\n<'"$discussion_url"'|#'"$discussion_number"' - '"$discussion_title"'>"}}]}'

• openverse/.github/workflows/pr_limit_reminders.yml

  Lines 38 to 47 in c312886

  	msg="Hi, Opener! \nYou currently have $pr_count Pull Request(s) open with requested reviews (totalling $((pr_count * 2)) required reviews). \nTo help ease the review burden, increase review velocity for older PRs, and improve the equitable distribution of project maintenance tasks across the team, please consider reviewing this list of ways to contribute instead of working on new code contributions: \nhttps://docs.openverse.org/meta/maintainer_tasks.html"
  	curl \
  	"$slack_url" \
  	-X POST \
  	-H 'Content-Type: application/json' \
  	-d '{
  	"user": "'"$slack_id"'",
  	"message": "'"$msg"'"
  	}'

• openverse/.github/workflows/pr_ping.yml

  Lines 31 to 35 in c312886

  	curl \
  	"$slack_url" \
  	-X POST \
  	-H 'Content-Type: application/json' \
  	-d '{"text":"New'"$pr_status"'PR opened by '"$pr_author"' in '"$pr_repo"': #'"$pr_number"' - '"$pr_title"'","blocks":[{"type":"section","text":{"type":"mrkdwn","text":"'"$pr_icon"' New'"$pr_status"'PR opened by *'"$pr_author"'* in `'"$pr_repo"'`:\n<'"$pr_url"'|#'"$pr_number"' - '"$pr_title"'>"}}]}'

• openverse/.github/workflows/pr_ping.yml

  Lines 40 to 44 in c312886

  	curl \
  	"$slack_url" \
  	-X POST \
  	-H 'Content-Type: application/json' \
  	-d '{"text":"PR by '"$pr_author"' in '"$pr_repo"' marked ready for review: #'"$pr_number"' - '"$pr_title"'","blocks":[{"type":"section","text":{"type":"mrkdwn","text":":pull-request: PR by *'"$pr_author"'* in `'"$pr_repo"'` marked ready for review:\n<'"$pr_url"'|#'"$pr_number"' - '"$pr_title"'>"}}]}'

Description

A better approach is to use the (official?) Slack API action slackapi/slack-github-action@v1.23.0 by means of technique 3 i.e. incoming webhooks. These workflows can be coverted to that actions making them more maintainable because cURL and Bash (and especially together) can be notoriously hard to understand and make changes to.

[The5cheduler]

I would like to contribute to this!
Please assign it to me.

[The5cheduler]

Hey @AetherUnbound , I think current version of slackapi/slack-github-action is 1.24.0. I have used that in current change, please let me know if it need ot me 1.23.0 for any particular reason.