chore: update GH actions (#32)

* update GH actions

* enable monthly dependabot updates

Author: fabian-braun

.github/dependabot.yml

@@ -0,0 +1,29 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: monthly
+      time: "09:00"
+      timezone: Europe/Berlin
+    groups:
+      github-actions:
+        patterns:
+          - "*"
+    open-pull-requests-limit: 99
+  - package-ecosystem: cargo
+    directory: "/"
+    schedule:
+      interval: monthly
+      time: "09:00"
+      timezone: Europe/Berlin
+    groups:
+      cargo:
+        patterns:
+          - "*"
+    open-pull-requests-limit: 99

.github/workflows/build.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Cache Dependencies & Build Outputs
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cargo
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
@@ -45,10 +45,10 @@ jobs:
 
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Cache Dependencies & Build Outputs
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cargo
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}