RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u402-b05

GHA builds will not work until [JDK-8293107](https://bugs.openjdk.org/browse/JDK-8293107) is merged in 8u462-b01

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Commit messages:
 - Merge jdk8u402-b05
 - 8319187: Add three eMudhra emSign roots
 - 8318759: Add four DigiCert root certificates
 - 8317374: Add Let's Encrypt ISRG Root X2
 - 8317373: Add Telia Root CA v2

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/64/files
  Stats: 771 lines in 12 files changed: 768 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/64.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/64/head:pull/64

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/64