Update GitHub action workflows

Author: kellijohnson-NOAA

.github/dependabot.yml

@@ -0,0 +1,9 @@
+# Uses dependabot to check things
+version: 2
+updates:
+  # Enable version updates for GitHub Actions
+  - package-ecosystem: "github-actions"
+    # The default location of the bot is `.github/workflows`
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/rmd-render.yml

@@ -14,15 +14,15 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - uses: r-lib/actions/setup-pandoc@v1
 
-      - uses: r-lib/actions/setup-r@v1
+      - uses: r-lib/actions/setup-r@v2
 
-      - uses: r-lib/actions/setup-renv@v1
+      - uses: r-lib/actions/setup-renv@v2
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with: