ci: raise coverage gate 30->80 (actual 87%); add Dependabot (gomod+actions)

Author: Patel230

.github/dependabot.yml

@@ -0,0 +1,40 @@
+version: 2
+
+updates:
+  # Go module dependencies.
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "06:00"
+      timezone: "Etc/UTC"
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "build"
+      include: "scope"
+    groups:
+      gomod-minor-patch:
+        applies-to: version-updates
+        update-types:
+          - "minor"
+          - "patch"
+
+  # GitHub Actions used by the workflows.
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "06:00"
+      timezone: "Etc/UTC"
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "ci"
+      include: "scope"
+    groups:
+      actions-minor-patch:
+        applies-to: version-updates
+        update-types:
+          - "minor"
+          - "patch"

.github/workflows/ci.yml

@@ -105,7 +105,7 @@ jobs:
       - name: Coverage threshold
         run: |
           COVERAGE=$(go tool cover -func=coverage.out | tail -1 | grep -oE '[0-9]+\.[0-9]+' || echo "0")
-          THRESHOLD=30
+          THRESHOLD=80
           if [ "$(echo "$COVERAGE < $THRESHOLD" | bc -l)" -eq 1 ]; then
             echo "::error::Coverage ${COVERAGE}% is below threshold ${THRESHOLD}%"
             exit 1