[ci skip]: Update v9.3.1 branch for MQ 9.3.1.0-r2 (#350)

* Update MQ version to 9.3.1.0-r2

* First part of the changes for SSLKEYR  (#328)

* Squashed all commits

* Addressed review comments

* Fix JMS test build issue (#340)

* Fix JMS test build issue

* Remove ciphername where not required

* Fix issue1766 and add test case (#336)

* Fix issue1766 and add test case

* Address review comments

* Updated copyright year

* Resolve merge conflicts

* Updating changelog (#346)

* Updating changelog

* Updating changelog

* updated go-version & ubi

test/tlscacert/cacert.crt

@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
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+rikk0yC+Xg8z
+-----END CERTIFICATE-----