Improve github integration

* Add explicit timeouts to github jobs
* Add a dependabot config to keep action versions fresh

.github/dependabot.yml

@@ -0,0 +1,24 @@
+# Copyright (c) 2021 The University of Manchester
+#
+# 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.
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    assignees:
+      - "dkfellows"
+    reviewers:
+      - "rowleya"

.github/workflows/python_actions.yml

@@ -23,6 +23,7 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
@@ -65,6 +66,7 @@ jobs:
 
   validate:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: [3.8]