Add dependency report script

[stianst]

Makes it easier to figure out where a dependency is coming from.

Example output:

$ misc/scripts/dependency-report.sh io.github.crac:org-crac

===================================================================================================
Dependency tree for io.github.crac:org-crac
---------------------------------------------------------------------------------------------------
org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT
\- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
   \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-guides-maven-plugin:maven-plugin:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:compile
   \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
      \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-guides:pom:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-guides-maven-plugin:jar:999.0.0-SNAPSHOT:compile
   \- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:compile
      \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
         \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-quarkus-server-deployment:jar:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:compile
   \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
      \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-quarkus-server-app:jar:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:compile
   \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
      \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-junit5:jar:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:compile
   \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:compile
      \- io.github.crac:org-crac:jar:0.1.3:compile
org.keycloak:keycloak-quarkus-integration-tests:jar:999.0.0-SNAPSHOT
\- org.keycloak:keycloak-junit5:jar:999.0.0-SNAPSHOT:test
   \- org.keycloak:keycloak-quarkus-server:jar:999.0.0-SNAPSHOT:test
      \- io.quarkus:quarkus-vertx-http:jar:3.2.3.Final:test
         \- io.github.crac:org-crac:jar:0.1.3:test
===================================================================================================