Bump IMDG version to 4.1

[enozcan]

Adds json-smart explicitly in test scope. Otherwise, json-path comes with hazelcast-all-v4.1 excludes json-smart which is needed by the current integration tests:

with v4.0.3 hazelcast-all:

[INFO] +- com.hazelcast:hazelcast-all:jar:4.0.3:compile
[INFO] +- org.springframework.boot:spring-boot-starter-test:jar:2.3.5.RELEASE:test
[INFO] |  +- org.springframework.boot:spring-boot-test:jar:2.3.5.RELEASE:test
[INFO] |  +- org.springframework.boot:spring-boot-test-autoconfigure:jar:2.3.5.RELEASE:test
[INFO] |  +- com.jayway.jsonpath:json-path:jar:2.4.0:test
[INFO] |  |  +- net.minidev:json-smart:jar:2.3:test <<<<<<<<<<<<<<<<<<<
[INFO] |  |  |  \- net.minidev:accessors-smart:jar:1.2:test
[INFO] |  |  |     \- org.ow2.asm:asm:jar:5.0.4:test
[INFO] |  |  \- org.slf4j:slf4j-api:jar:1.7.30:compile

with v4.1 hazelcast-all:

[INFO] +- com.hazelcast:hazelcast-all:jar:4.1:compile
[INFO] |  +- org.apache.calcite:calcite-core:jar:1.23.0:compile
[INFO] |  |  +- com.fasterxml.jackson.core:jackson-core:jar:2.11.3:compile
[INFO] |  |  \- org.apache.commons:commons-lang3:jar:3.10:runtime
[INFO] |  +- org.apache.calcite:calcite-linq4j:jar:1.23.0:compile
[INFO] |  +- org.apache.calcite.avatica:avatica-core:jar:1.16.0:compile
[INFO] |  +- com.jayway.jsonpath:json-path:jar:2.4.0:runtime  <<<<<<<<<<<<<<<<<<<
[INFO] |  +- commons-codec:commons-codec:jar:1.14:runtime

[leszko]

So, the auto detection works! I wonder if we get many issues like that from users ;)