ci: implement OSSF scorecard and Dependabot (#235)

Author: alessfg

.github/dependabot.yml

@@ -0,0 +1,15 @@
+---
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: "00:00"
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: "00:00"

.github/pull_request_template.md

@@ -6,7 +6,7 @@ Describe the use case and detail of the change. If this PR addresses an issue on
 
 Before creating a PR, run through this checklist and mark each as complete:
 
-- [ ] I have read the [`contributing guidelines`](/CONTRIBUTING.md).
+- [ ] I have read the [contributing guidelines](/CONTRIBUTING.md).
 - [ ] If applicable, I have added tests that prove my fix is effective or that my feature works.
 - [ ] If applicable, I have checked that any relevant tests pass after adding my changes.
 - [ ] I have updated any relevant documentation (e.g. [`README.md`](/README.md)).