chore: consolidate formatting in amp-devcontainer-cpp

.devcontainer/cpp/devcontainer-metadata-vscode.json

@@ -12,20 +12,24 @@
         "ms-vscode.cmake-tools@1.19.52",
         "ms-vscode.cpptools@1.21.6",
         "ms-vsliveshare.vsliveshare@1.0.5940",
-        "sonarsource.sonarlint-vscode@4.10.0",
-        "xaver.clang-format@1.9.0"
+        "sonarsource.sonarlint-vscode@4.10.0"
       ],
       "settings": {
         "C_Cpp.intelliSenseEngine": "disabled",
-        "C_Cpp.formatting": "clangFormat",
         "clangd.arguments": [
           "--query-driver=/opt/**/arm-none-eabi-*",
           "--compile-commands-dir=${userHome}/.amp"
         ],
         "cmake.copyCompileCommands": "${userHome}/.amp/compile_commands.json",
         "cortex-debug.gdbPath": "gdb-multiarch",
         "cortex-debug.objdumpPath": "arm-none-eabi-objdump",
-        "sonarlint.pathToCompileCommands": "/root/.amp/compile_commands.json"
+        "sonarlint.pathToCompileCommands": "/root/.amp/compile_commands.json",
+        "[c]": {
+          "editor.defaultFormatter": "llvm-vs-code-extensions.vscode-clangd"
+        },
+        "[cpp]": {
+          "editor.defaultFormatter": "llvm-vs-code-extensions.vscode-clangd"
+        }
       }
     }
   }

.github/workflows/ci.yml

@@ -37,6 +37,8 @@ jobs:
         with:
           path: test/.xwin-cache
           key: xwin-cache
+          restore-keys: |
+            xwin-cache
       - name: Run Tests
         run: |
           set -Eeuo pipefail

.github/workflows/prime-cache.yml

@@ -52,4 +52,4 @@ jobs:
       - uses: actions/cache/save@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
         with:
           path: test/.xwin-cache
-          key: xwin-cache
+          key: xwin-cache-${{ github.run_id }}