[DOC]: Fix planned releases for k-truss and ECG alorithms in algorithms.md file

[acostadon]

How would you describe the priority of this documentation request

High

Please provide a link or source to the relevant docs

docs/cugraph/source/graph_support/algorithms.md

Describe the problems in the documentation

docs/cugraph/source/graph_support/algorithms.md:| | Ensemble Clustering for Graphs | Single-GPU | MG planned for 23.10 |
docs/cugraph/source/graph_support/algorithms.md:| | K-Truss | Single-GPU | MG planned for 23.10

(Optional) Propose a correction

No response

Code of Conduct

• I agree to follow cuGraph's Code of Conduct
• I have searched the open documentation issues and have found no duplicates for this bug report

[acostadon]

ECG should be 23.12. K-Truss is currently planned for 24.04.