Default to patch version bumps, add minor bump option (#30)

Scheduled runs auto-bump patch (v1.7.0 -> v1.7.1). Manual triggers
get a dropdown to choose patch or minor bump.

.github/workflows/deploy-notify.yml

@@ -5,7 +5,15 @@ on:
     # 6pm ET (EDT = 22:00 UTC, EST = 23:00 UTC)
     - cron: "0 22 * * *"
     - cron: "0 23 * * *"
-  workflow_dispatch: {}
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: "Version bump type"
+        type: choice
+        options:
+          - patch
+          - minor
+        default: patch
 
 permissions:
   contents: write
@@ -62,10 +70,16 @@ jobs:
 
           echo "has_changes=true" >> "$GITHUB_OUTPUT"
 
-          # Auto-increment minor version (v1.7.0 -> v1.8.0)
+          # Semver bump (default: patch)
+          BUMP="${{ github.event.inputs.bump || 'patch' }}"
           MAJOR=$(echo "$LAST_TAG" | sed 's/^v//' | cut -d. -f1)
           MINOR=$(echo "$LAST_TAG" | sed 's/^v//' | cut -d. -f2)
-          VERSION="v${MAJOR}.$((MINOR + 1)).0"
+          PATCH=$(echo "$LAST_TAG" | sed 's/^v//' | cut -d. -f3)
+          if [ "$BUMP" = "minor" ]; then
+            VERSION="v${MAJOR}.$((MINOR + 1)).0"
+          else
+            VERSION="v${MAJOR}.${MINOR}.$((PATCH + 1))"
+          fi
           echo "version=$VERSION" >> "$GITHUB_OUTPUT"
 
           # Build bullet lists from PR titles