docs(readme): add PyTorch v2.12.1 to release highlights

Add the PyTorch v2.12.1 (Amazon Linux 2023) release highlight and drop
the oldest entry (vLLM v0.22.1) to keep the list at 7. Tags and packaging
details sourced from the 2.12 image configs; 2.12.1 is an upstream
bug-fix release.

Author: Eren-Jeager123

README.md

@@ -28,13 +28,13 @@ ______________________________________________________________________
 
 ### 🚀 Release Highlights
 
+- **[2026/07/02]** [PyTorch v2.12.1](https://gallery.ecr.aws/deep-learning-containers/pytorch) — EC2: `2.12.1-cu130-amzn2023` · SageMaker: `2.12.1-cu130-amzn2023-sagemaker` · Amazon Linux 2023 with EFA, flash-attn, and Transformer Engine; PyTorch 2.12.1 bug-fix release (B200/Triton correctness fixes).
 - **[2026/07/01]** [vLLM v0.24.0](https://gallery.ecr.aws/deep-learning-containers/vllm) — EC2: `0.24.0-gpu-py312-ec2` · SageMaker: `0.24.0-gpu-py312` · MiniMax-M3, DiffusionGemma (+CPU), Hierarchical Reasoning Model, OpenMOSS; streaming parser engine (Qwen3, MiniMax-M2, GLM-4.7/5.1/5.2, Nemotron V3); DeepSeek-V4 fixes.
 - **[2026/06/29]** [SGLang Server v1.1 (AL2023)](https://gallery.ecr.aws/deep-learning-containers/sglang) — EC2: `server-cuda-v1.1` · SageMaker: `server-sagemaker-cuda-v1.1` · SGLang `0.5.13`; adds NIXL KV connector for prefill/decode disaggregation and `runai-model-streamer[s3,gcs,azure]` for fast weight streaming from object storage; starlette CVE patch.
 - **[2026/06/29]** [SGLang v0.5.14](https://gallery.ecr.aws/deep-learning-containers/sglang) — EC2: `0.5.14-gpu-py312-ec2` · SageMaker: `0.5.14-gpu-py312` · GLM 5.2, LiquidAI LFM2.5, Kimi-K2.7-Code, DeepSeek V4 on GB300.
 - **[2026/06/14]** [vLLM v0.23.0](https://gallery.ecr.aws/deep-learning-containers/vllm) — EC2: `0.23.0-gpu-py312-ec2` · SageMaker: `0.23.0-gpu-py312` · Step-3.7-Flash, Cosmos3 Reasoner, Gemma 4 Unified (encoder-free), Granite Speech Plus, Cohere Mini Code; Anthropic Messages API structured output.
 - **[2026/06/13]** [SGLang v0.5.13](https://gallery.ecr.aws/deep-learning-containers/sglang) — EC2: `0.5.13-gpu-py312-ec2` · SageMaker: `0.5.13-gpu-py312` · DeepSeek V4 (BCG, HiSparse PD, PP+PD), Kimi-K2.5, MiMo-V2, Ideogram 4 (FP8/NVFP4); SM120 + FP4 indexer support.
 - **[2026/06/12]** [SGLang Server v1.0 (AL2023)](https://gallery.ecr.aws/deep-learning-containers/sglang) — EC2: `server-cuda-v1.0` · SageMaker: `server-sagemaker-cuda-v1.0` · First Amazon Linux 2023 SGLang Server images, built from upstream source; OpenAI-compatible API (port 30000 EC2/EKS, 8080 SageMaker); CUDA 13.0 for H100 + Blackwell; PyTorch 2.11.0; EFA, DeepEP, and Mooncake KV-cache bundled.
-- **[2026/06/05]** [vLLM v0.22.1](https://gallery.ecr.aws/deep-learning-containers/vllm) — EC2: `0.22.1-gpu-py312-ec2` · SageMaker: `0.22.1-gpu-py312` · JetBrains Mellum v2; DeepSeek-V4, OlmoHybrid, HyperCLOVAX fixes; AMD Zen CPU zentorch kernels.
 
 ### 📢 Support Updates