ci: [SEC-7263] Update dependency-scan workflow to use common-actions (#1775)

* feat: update dependency-scan workflow to use common-actions

Replace launchdarkly/gh-actions with launchdarkly/common-actions for SEC-7263.
Update to use runs-on runner pattern and add proper artifacts configuration.

Co-Authored-By: Patrick Kaeding <[email protected]>

* fix: add permissions to dependency-scan workflow jobs

Add id-token: write and contents: read permissions to both generate-nodejs-sbom
and evaluate-policy jobs to enable access to private launchdarkly/common-actions repository.

Co-Authored-By: Patrick Kaeding <[email protected]>

* fix: add custom GitHub token authentication to dependency-scan workflow

Add CUSTOM_GITHUB_TOKEN retrieval via release-secrets action to both jobs
to enable access to private launchdarkly/common-actions repository.

Co-Authored-By: Patrick Kaeding <[email protected]>

* fix: revert to use launchdarkly/gh-actions for public repo access

Switch from private common-actions to public gh-actions for SEC-7263.
Simplify workflow structure to match working implementation.

Co-Authored-By: Patrick Kaeding <[email protected]>

* fix: use ubuntu-latest runner instead of custom runner spec

Remove custom runs-on configuration that was causing runner resolution
failures. Simplify to standard ubuntu-latest for SEC-7263.

Co-Authored-By: Patrick Kaeding <[email protected]>

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: pkaeding

.github/workflows/dependency-scan.yml

@@ -1,11 +1,16 @@
 name: Dependency Scan
 
-on: pull_request
+on:
+  pull_request:
+  push:
+    branches:
+      - main
 
 jobs:
-  dependency-scan:
+  generate-nodejs-sbom:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
@@ -14,7 +19,14 @@ jobs:
       - name: Generate SBOM
         uses: launchdarkly/gh-actions/actions/dependency-scan/generate-sbom@main
         with:
-          types: 'go,nodejs'
+          types: 'nodejs'
 
+  evaluate-policy:
+    runs-on: ubuntu-latest
+    needs:
+      - generate-nodejs-sbom
+    steps:
       - name: Evaluate SBOM Policy
         uses: launchdarkly/gh-actions/actions/dependency-scan/evaluate-policy@main
+        with:
+          artifacts-pattern: bom-*