chore(ci): adopt shared workflows and central Renovate preset - #103

 84 files  ±0   84 suites  ±0   1m 7s ⏱️ +5s
 60 tests ±0   60 ✅ ±0  0 💤 ±0  0 ❌ ±0 
180 runs  ±0  179 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit 421daeb. ± Comparison against earlier commit 2f756e5.