feat: add OpenSSF Scorecard and dependency review workflows

Signed-off-by: Savitoj Singh <5525641+savitojs@users.noreply.github.com>

Author: savitojs

.github/workflows/dependency-review.yml

@@ -0,0 +1,19 @@
+name: Dependency Review
+on:
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/dependency-review-action@v4
+        with:
+          fail-on-severity: high
+          comment-summary-in-pr: always

.github/workflows/scorecard.yml

@@ -0,0 +1,36 @@
+name: Scorecard analysis
+on:
+  push:
+    branches: [main]
+  schedule:
+    - cron: '30 1 * * 6'  # Weekly Saturday 1:30 AM UTC
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  security-events: write
+  id-token: write
+
+jobs:
+  scorecard:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: ossf/scorecard-action@v2.4.3
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          publish_results: true
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+
+      - uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: results.sarif

README.md

@@ -3,6 +3,7 @@
 [![PyPI version](https://badge.fury.io/py/gtime.svg?maxAge=0)](https://badge.fury.io/py/gtime)
 [![Python Support](https://img.shields.io/pypi/pyversions/gtime.svg?maxAge=0)](https://pypi.org/project/gtime/)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/savitojs/gtime/badge)](https://scorecard.dev/viewer/?uri=github.com/savitojs/gtime)
 
 > **A modern, colorful Python CLI utility for global time zone lookup, comparison, and management**