Create release v1.13.1

[WadeBarnes]

Create an official v1.13.1 release.

Review and update release docs as needed.

[WadeBarnes]

Release workflow documented here;

• https://github.com/hyperledger/indy-node/blob/main/docs/source/ci-cd.md#release-workflow
• https://github.com/hyperledger/indy-plenum/blob/main/docs/source/diagrams/release-workflow.png

Release started by creating and pushing the tag, setRelease-v1.13.1, as documented.

Resulting in the triggering of this workflow; https://github.com/hyperledger/indy-plenum/actions/runs/7747023123.

Which in turn created this release PR #1646, and associated release workflow; https://github.com/hyperledger/indy-plenum/actions/runs/7747032283

[WadeBarnes]

Python package build failed; https://github.com/hyperledger/indy-plenum/actions/runs/7747032283/job/21126666427
3rd party dependency build also failed; https://github.com/hyperledger/indy-plenum/actions/runs/7747032283/job/21126651213

[WadeBarnes]

Some updates to PR #1646, were required, along with some updates to hyperledger/indy-shared-gha (listed below) where required to get the builds to work.

• hyperledger/indy-shared-gha@34da63c
• hyperledger/indy-shared-gha@aa44fb2

[WadeBarnes]

Release v1.13.1 created successfully.

Artifacts published to:

• https://hyperledger.jfrog.io/ui/repos/tree/General/indy/pool/focal/stable
• https://pypi.org/project/indy-plenum/1.13.1/