v5.5.2

Small patch dedicated to optimizing gemma4, fixing inference with use_cache=False due to k/v states sharing between layers, as well as conversion mappings for some models that would inconsistently serialize their weight names. It contains the following PRs:

• Add MoE to Gemma4 TP plan (#45219) by @sywangyi and @Cyrilvallez
• [gemma4] Dissociate kv states sharing from the Cache (#45312) by @Cyrilvallez
• [gemma4] Remove all shared weights, and silently skip them during loading (#45336) by @Cyrilvallez
• Fix conversion mappings for vlms (#45340) by @Cyrilvallez