ci: add compiletest target spv1.4 since some tests require spv1.4+ or vulkan1.2

Author: Firestar99

.github/workflows/ci.yaml

@@ -152,7 +152,7 @@ jobs:
       - name: cargo fetch --locked
         run: cargo fetch --locked --target $TARGET
       - name: compiletest
-        run: cargo run -p compiletests --release --no-default-features --features "use-installed-tools" -- --target-env vulkan1.1,vulkan1.2,vulkan1.3,vulkan1.4,spv1.3
+        run: cargo run -p compiletests --release --no-default-features --features "use-installed-tools" -- --target-env vulkan1.1,vulkan1.2,vulkan1.3,vulkan1.4,spv1.3,spv1.4
 
   difftest:
     name: Difftest