main/ca-certificates: backport fix to restore still valid certs

The following certs are restored:

- Entrust.net Premium 2048 Secure Server CA
- Entrust Root Certification Authority
- AffirmTrust Commercial
- AffirmTrust Networking
- AffirmTrust Premium
- AffirmTrust Premium ECC
- Entrust Root Certification Authority - G2
- Entrust Root Certification Authority - EC
- GLOBALTRUST 2020

ref: alpine/ca-certificates#6
fixes: alpine/aports#16812
(cherry picked from commit 6629b908)