ci: Remove project automation workflow

[mydea]

We no longer use this, since we moved to linear.

Noticed here: #17503 which is also closed by this.

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	8,785	-	9,023	-3%
GET With Sentry	1,241	14%	1,291	-4%
GET With Sentry (error only)	4,114	47%	4,078	+1%
POST Baseline	1,198	-	1,199	-0%
POST With Sentry	488	41%	475	+3%
POST With Sentry (error only)	944	79%	946	-0%
MYSQL Baseline	3,281	-	3,313	-1%
MYSQL With Sentry	428	13%	424	+1%
MYSQL With Sentry (error only)	2,179	66%	2,208	-1%

View base workflow run