fixbug: fix devcontainer context (#1938)

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## 📌 Description

This PR fixes the dev container after #1880.

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needed. -->

## 🔍 Related Issues

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Author: cyx-6

.devcontainer/cu126/devcontainer.json

@@ -2,7 +2,7 @@
     "name": "CUDA Development Container",
     "build": {
         "dockerfile": "../../docker/Dockerfile.cu126.dev",
-        "context": "../../docker/"
+        "context": "../../"
     },
     "runArgs": [
         "--gpus=all"

.devcontainer/cu128/devcontainer.json

@@ -2,7 +2,7 @@
     "name": "CUDA Development Container",
     "build": {
         "dockerfile": "../../docker/Dockerfile.cu128.dev",
-        "context": "../../docker/"
+        "context": "../../"
     },
     "runArgs": [
         "--gpus=all"

.devcontainer/cu129/devcontainer.json

@@ -2,7 +2,7 @@
     "name": "CUDA Development Container",
     "build": {
         "dockerfile": "../../docker/Dockerfile.cu129.dev",
-        "context": "../../docker/"
+        "context": "../../"
     },
     "runArgs": [
         "--gpus=all"

.devcontainer/cu130/devcontainer.json

@@ -2,7 +2,7 @@
     "name": "CUDA Development Container",
     "build": {
         "dockerfile": "../../docker/Dockerfile.cu130.dev",
-        "context": "../../docker/"
+        "context": "../../"
     },
     "runArgs": [
         "--gpus=all"