update labels

Author: kevmoo

static/sdk_labels.json

@@ -48,6 +48,7 @@
  "area-samples",
  "area-sdk",
  "area-specification",
+ "area-style",
  "area-test",
  "area-tools",
  "area-vm",
@@ -121,6 +122,7 @@
  "dart2js-soundness",
  "dart2js-sourcemap",
  "dart2js-ssa",
+ "dartdev-technical-debt",
  "dartfuzz",
  "dds-core",
  "dds-dap",