AJ-1854 add concurrency groups to GH workflows

[calypsomatic]

https://broadworkbench.atlassian.net/browse/AJ-1854

Adds concurrency groups to 3 workflows that run for pull requests. Runs them only on pull_request, not also on push. The one that creates a bee already uses always() for bee-destroy so there shouldn't be any rogue bees left lying around - verified by canceling after the bee had been created and saw that bee-destroy was run.

Have you read CONTRIBUTING.md lately? If not, do that first.

I, the developer opening this PR, do solemnly pinky swear that:

• I've followed the instructions if I've made any changes to the API, especially if they're breaking changes
• I've updated the RC_XXX release ticket with any manual steps required to release this change
• I've updated the FISMA documentation if I've made any security-related changes, including auth, encryption, or auditing

In all cases:

• Get two thumbsworth of review and PO signoff if necessary
• Verify all tests go green
• Squash and merge; you can delete your branch after this unless it's for a hotfix. In that case, don't delete it!
• Test this change deployed correctly and works on dev environment after deployment

[davidangb]

I think all three of these workflows should run on push to develop, which probably changes the invocation for the group value