build(p10-1d): add tree-sitter-c + tree-sitter-cpp workspace deps

Standard crate names resolved cleanly: tree-sitter-c v0.24.2 and
tree-sitter-cpp v0.23.4 are both compatible with workspace tree-sitter 0.26.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Cargo.lock

@@ -4353,6 +4353,8 @@ dependencies = [
  "time",
  "tracing",
  "tree-sitter",
+ "tree-sitter-c",
+ "tree-sitter-cpp",
  "tree-sitter-go",
  "tree-sitter-java",
  "tree-sitter-javascript",
@@ -8531,6 +8533,26 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "tree-sitter-c"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9b2eb57a55fed6b00812912e730b7a275cf4fe98bfd6a5d76263d4438371728"
+dependencies = [
+ "cc",
+ "tree-sitter-language",
+]
+
+[[package]]
+name = "tree-sitter-cpp"
+version = "0.23.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df2196ea9d47b4ab4a31b9297eaa5a5d19a0b121dceb9f118f6790ad0ab94743"
+dependencies = [
+ "cc",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "tree-sitter-go"
 version = "0.25.0"