upgrade reactor-scaffold CI github actions flows

[brenthosie]

Node 14 is EOL April 30, 2023 and any plugins/custom logic using ::set-output is EOL in GH Actions May 31, 2023.

upgrade to:

• actions/checkout@v3
• actions/setup-node@v3

Remove:

• actions/cache@v2

use:

• Node 16

[brenthosie]

@adobe export issue to Jira project PDCL

[github-jira-sync-bot]

✅ Jira issue PDCL-10315 is successfully created for this GitHub issue.