Adding dependabot.yml with license file

.github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..acf2587
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,31 @@
+# Copyright 2022 GlobalFoundries PDK Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# Set update schedule for Sub-modules
+version: 2
+updates:
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions everyday
+      interval: "daily"
+
+  - package-ecosystem: "gitsubmodule"
+    directory: "/"
+    schedule:
+      # Check for updates to Sub-modules everyday
+      interval: "daily"