ci: run speculative decoding evaluations in parallel with integration matrix

Author: solderzzc

.github/workflows/ci.yml

@@ -123,7 +123,7 @@ jobs:
   speculative-decoding:
     runs-on: macos-15
     timeout-minutes: 45
-    needs: integration_matrix  # Only run after core CI passes
+    needs: build_and_unit_test  # Run in parallel with integration_matrix
     steps:
       - uses: actions/checkout@v4
         with:
@@ -194,7 +194,7 @@ jobs:
   speculative-decoding-eval:
     runs-on: macos-15
     timeout-minutes: 45
-    needs: integration_matrix
+    needs: build_and_unit_test
     continue-on-error: true
     steps:
       - uses: actions/checkout@v4

mlx-swift-lm

@@ -1 +1 @@
-Subproject commit 11a43bea4df31a8303cab4cb4c24d142e98228fe
+Subproject commit a6c98c0122f41e9999a84ba99c597b852676daef