chore: update workflow triggers and dependabot schedule

- Remove master branch references from terraform workflow
- Focus on main branch only for consistency
- Change dependabot interval from weekly to daily
- Streamlines workflow triggers and increases dependency monitoring

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: vjdhama

.github/dependabot.yml

@@ -11,4 +11,4 @@ updates:
     directory: "/"
     schedule:
       # Check for updates to GitHub Actions every week
-      interval: "weekly"
+      interval: "daily"

.github/workflows/terraform.yaml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - master
   pull_request_target:
     types:
       - opened
@@ -13,7 +12,6 @@ on:
   pull_request:
     branches:
       - main
-      - master
 
 permissions:
   contents: write