Update github actions versions

Also add dependabot to avoid going out of date again.

Author: stoman

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly
+ - package-ecosystem: "github-actions"
+   directory: "/"
+   schedule:
+     interval: "weekly"

.github/workflows/aoc-badges.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Update 2015 badge
         uses: joblo2213/aoc-badges-action@v3
         with:
@@ -73,8 +73,15 @@ jobs:
           userid: 1064020
           session: ${{ secrets.AOC_SESSION }}
           starsRegex: '(?<=https:\/\/img\.shields\.io\/badge\/stars%20⭐-)[0-9]+(?=-yellow)(?=.*2023)'
+      - name: Update 2024 badge
+        uses: joblo2213/aoc-badges-action@v3
+        with:
+          year: 2023
+          userid: 1064020
+          session: ${{ secrets.AOC_SESSION }}
+          starsRegex: '(?<=https:\/\/img\.shields\.io\/badge\/stars%20⭐-)[0-9]+(?=-yellow)(?=.*2024)'
       - name: Commit changes
-        uses: stefanzweifel/git-auto-commit-action@v4
+        uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: Update badges
           file_pattern: README.md

.github/workflows/verify-problems.yml

@@ -8,9 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: '3.x'
       - name: Install dependencies
@@ -27,6 +27,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Verify distributed problems
         run: (cd distributed-problems && make all)