ci: add PR format check workflow (#328)

**Description**:

Add a new workflow to check the PR formatting to ensure consistency on
PR titles. We can also use this for semantic release versioning later,
if we so desire.

**Related Issue(s)**:

Implements first portion of #327

---------

Signed-off-by: Andrew Brandt <brandt.andrew89@gmail.com>

.github/workflows/pr-formatting-check.yml

@@ -0,0 +1,26 @@
+name: "PR Formatting"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+
+permissions:
+  statuses: write
+
+jobs:
+  title-check:
+    name: Title Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
+      - name: Check PR Title
+        uses: amannn/action-semantic-pull-request@v6
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}