Update CI, add dependabot (#126)

Author: giarc3

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: "cargo"
+  directory: "/"
+  schedule:
+    interval: "monthly"
+  groups:
+    dependencies:
+      patterns:
+      - "*" # update all the dependencies at once
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "monthly"

.github/workflows/rust-ci.yaml

@@ -4,12 +4,12 @@ on:
   push:
     branches:
     - main
-  pull_request: null
-  workflow_dispatch: null
+  pull_request:
+  workflow_dispatch:
   schedule:
   - cron: 0 14 * * 1
 
 jobs:
   rust-ci:
-    uses: IronCoreLabs/workflows/.github/workflows/rust-ci.yaml@rust-ci-v0
+    uses: IronCoreLabs/workflows/.github/workflows/rust-ci.yaml@rust-ci-v2
     secrets: inherit