fix(notebook): correct broken Colab badge URL in compact-mask-sam3

[resolve #3] Review comment by @Copilot (PR #2241):
"The Colab badge link points to `.../blob/develop/notebooks/release-demo_0-28.ipynb`..."

---
Co-authored-by: Claude Code <noreply@anthropic.com>
Co-authored-by: OpenAI Codex <codex@openai.com>

Author: 3 people

docs/notebooks/compact-mask-sam3.ipynb

@@ -7,7 +7,7 @@
             "source": [
                 "# Memory-Efficient Instance Segmentation\n",
                 "\n",
-                "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/roboflow/supervision/blob/develop/notebooks/release-demo_0-28.ipynb)\n",
+                "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/roboflow/supervision/blob/develop/docs/notebooks/compact-mask-sam3.ipynb)\n",
                 "\n",
                 "**supervision** is a set of reusable tools for computer vision.\n",
                 "Two headlining changes in 0.28.0:\n",