chore(release): fix PR and Jira links in 3.8.0 changelog

[ADD-SP]

Summary

Fix #13763

Checklist

• [N/A] The Pull Request has tests
• [N/A] A changelog file has been created under changelog/unreleased/kong or skip-changelog label added on PR if changelog is unnecessary. README.md
• [N/A] There is a user-facing docs PR against https://github.com/Kong/docs.konghq.com - PUT DOCS PR HERE

Issue reference

KAG-5596

[AndyZhang0707]

The internal ticket should be removed.

[team-gateway-bot]

Backport failed for release/3.8.x, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin release/3.8.x
git worktree add -d .worktree/backport-13767-to-release/3.8.x origin/release/3.8.x
cd .worktree/backport-13767-to-release/3.8.x
git switch --create backport-13767-to-release/3.8.x
git cherry-pick -x 8afccbce4c25f53536bcf656b6ce19838965ed8d

[team-gateway-bot]

Backport failed for release/3.8.x, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin release/3.8.x
git worktree add -d .worktree/backport-13767-to-release/3.8.x origin/release/3.8.x
cd .worktree/backport-13767-to-release/3.8.x
git switch --create backport-13767-to-release/3.8.x
git cherry-pick -x 8afccbce4c25f53536bcf656b6ce19838965ed8d

[team-gateway-bot]

Cherry-pick failed for master, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally.

git remote add upstream https://github.com/kong/kong-ee
git fetch upstream master
git worktree add -d .worktree/cherry-pick-13767-to-master-to-upstream upstream/master
cd .worktree/cherry-pick-13767-to-master-to-upstream
git checkout -b cherry-pick-13767-to-master-to-upstream
ancref=$(git merge-base 5f6220b4fdd9b2c99be50183e9c6d3f2329292df 06d54cffd11330f755bdb10090cf240fd331931a)
git cherry-pick -x $ancref..06d54cffd11330f755bdb10090cf240fd331931a