Docs: dev blog post for activation of the Cardano transaction certification #7105

All 1 311 tests pass in 9m 45s

4 files ±0 54 suites ±0 9m 45s ⏱️ +10s
1 311 tests ±0 1 311 ✅ ±0 0 💤 ±0 0 ❌ ±0
1 522 runs ±0 1 522 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 342d1de. ± Comparison against earlier commit 4fe926c.