Create GitHub Action workflow to check / update permissions

[mithro]

Create an organizational level GitHub Action workflow which checks and updates permissions on repositories in the SymbiFlow organization.

Current permissions should be;

• All non-forked repos have the @SymbiFlow/admin team with the admin access level
• All non-forked repos have the @SymbiFlow/triage team with the triage access level
• Anyone in the SymbiFlow organization is in the @SymbiFlow/triage team.

DB Related Repositories

Matches *-db*

• @SymbiFlow/db-admins should have admin access level

Xilinx Related Repositories (except DB repositories)

Matches *xilinx*, *prjxray*, *prjuray*, *zynq*, *xc*

• @SymbiFlow/xc-team should have maintain access level

System Verilog Related Repositories

Matches *sv*

• @SymbiFlow/sv-team should have maintain access level

Documentation Related Repositories

Matches *-*doc*, *sphinx*,

• @SymbiFlow/doc-team should have maintain access level

Python Related Repositories

Matches *-py*