Rename build_tools directory to dev_tools (#719)

Author: mhucka

.github/workflows/release_wheels.yml

@@ -61,7 +61,7 @@ jobs:
         run: python -m pip install -r requirements.txt
 
       - name: Run C++ tests
-        run: bash build_tools/test_libs.sh
+        run: bash dev_tools/test_libs.sh
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse

.github/workflows/testing_wheels.yml

@@ -66,7 +66,7 @@ jobs:
         run: python -m pip install -r requirements.txt
 
       - name: Run C++ tests
-        run: bash build_tools/test_libs.sh
+        run: bash dev_tools/test_libs.sh
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse