Try to fix feature flag actions

Author: w1th0utnam3

.github/workflows/build.yml

@@ -37,9 +37,13 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Build
-        run: cargo build --package splashsurf_lib --all-features --verbose
+        run: |
+          cd splashsurf_lib
+          cargo build --package splashsurf_lib --all-features --verbose
       - name: Run tests
-        run: cargo test --package splashsurf_lib --all-features --verbose
+        run: |
+          cd splashsurf_lib
+          cargo test --package splashsurf_lib --all-features --verbose
 
   build_lib_no_default_features:
 
@@ -48,6 +52,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Build
-        run: cargo build --package splashsurf_lib --no-default-features --verbose
+        run: |
+          cd splashsurf_lib
+          cargo build --package splashsurf_lib --no-default-features --verbose
       - name: Run tests
-        run: cargo test --package splashsurf_lib --no-default-features --verbose
+        run: |
+          cd splashsurf_lib
+          cargo test --package splashsurf_lib --no-default-features --verbose