.github: Add CI for changie (#301)

Reference: https://github.com/hashicorp/terraform-providers-devex-internal/issues/171

Author: bflad

.github/workflows/ci-changie.yml

@@ -0,0 +1,23 @@
+# Continuous integration handling for changie
+name: ci-changie
+
+on:
+  pull_request:
+    paths:
+      - .changes/unreleased/*.yaml
+      - .changie.yaml
+      - .github/workflows/ci-changie.yml
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - uses: miniscruff/changie-action@6dcc2533cac0495148ed4046c438487e4dceaa23 # v2.0.0
+        with:
+          version: latest
+          args: batch patch --dry-run
+