create function to calculate the relay prathread tank address in typescript

[girazoki]

We had hardcoded addresses before, now I added a function that creates the address on the fly by asking the relay through a runtime-api

[github-actions]

Coverage Report

(master)

@@                                Coverage Diff                                 @@
##           master   girazoki-stop-using-hardcoded-parathread-tanks      +/-   ##
==================================================================================
- Coverage   67.55%                                           67.48%   -0.07%     
+ Files         262                                              264       +2     
+ Lines       47490                                            47895     +405     
==================================================================================
+ Hits        32080                                            32321     +241     
+ Misses      15410                                            15574     +164     

Files Changed	Coverage
/client/service-container-chain/src/spawner.rs	44.66% (-0.27%)	🔽
/container-chains/nodes/simple/src/cli.rs	72.73% (-5.84%)	🔽
/container-chains/nodes/simple/src/command.rs	24.01% (-2.21%)	🔽
/node/src/service.rs	22.90% (-0.72%)	🔽
/runtime/dancebox/src/lib.rs	88.60% (-0.14%)	🔽
/runtime/flashbox/src/lib.rs	45.53% (-0.97%)	🔽

Coverage generated Fri Sep 6 15:07:50 UTC 2024