remove expired transactions

Signed-off-by: iceseer <[email protected]>

Merge pull request hyperledger-iroha#1604 from hyperledger/develop

v1.3 release

GHA clean up

Signed-off-by: kuvaldini <[email protected]>

GHA all tags

Signed-off-by: kuvaldini <[email protected]>

Merge pull request hyperledger-iroha#1298 from hyperledger/support/1.2.x

1.3-rc release candidate

Signed-off-by: kamilsa <[email protected]>

Docs: Contributing Guide Fix (hyperledger-iroha#873)

* contributing guide

Signed-off-by: Sara <[email protected]>

Documentation: add troubleshooting section for hard shutdown

Signed-off-by: Andrei Lebedev <[email protected]>

Jenkins: use different gpg arguments for Linux x64 and s390x

Signed-off-by: Andrei Lebedev <[email protected]>

reworked hex keys test and added query signature test

Signed-off-by: Mikhail Boldyrev <[email protected]>

Update docs/source/integrations/burrow.rst


Signed-off-by: Sara <[email protected]>

Co-authored-by: Andrei Lebedev <[email protected]>