Add GitHub Actions workflow to build repro-cassandra jar #11

Job	Run time
maven-checks (17)	30m 48s
error-prone-checks	30m 33s
build-pt	4m 7s
build-test-matrix	30m 30s
hive-tests (config-empty)	30m 36s
test-jdbc-compatibility	30m 15s
hive-tests (config-hdp3)	30m 54s
test-other-modules	30m 38s
web-ui-checks	32s
pt (${{ matrix.config }}, ${{ matrix.suite }}, ${{ matrix.jdk }})	0s
test	0s
	3h 38m 53s

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