Dependabot for github actions (#92)

Author: pwtyler

.github/dependabot.yml

@@ -7,4 +7,8 @@ updates:
       timezone: America/Los_Angeles
       day: tuesday
     target-branch: "main"
-    open-pull-requests-limit: 99
+    open-pull-requests-limit: 99
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: daily

.github/workflows/lint-test.yml

@@ -62,6 +62,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pantheon-systems/validate-readme-spacing@v1
+      - uses: pantheon-systems/validate-readme-spacing@v1.0.5
         with:
           filepath: 'README.MD'