Address dependabot Github Actions alerts (#8550)

This pull request updates and simplifies the project's GitHub Actions
workflows. The main changes are the removal of several legacy or
redundant workflow files and the upgrade of GitHub Actions versions to
their latest releases for improved reliability and security.

**Workflow removals:**

* Removed the following workflow files, which are no longer needed or
have been consolidated elsewhere:
  - `.github/workflows/beachball-bump.yml`
  - `.github/workflows/label.yml`
  - `.github/workflows/metadata-check.yml`
  - `.github/workflows/npm-audit.yml`

**Actions version upgrades:**

* Upgraded `actions/checkout` and `actions/setup-node` from v4 to v6 in
the following workflows to use the latest features and security updates:
  - `.github/workflows/beachball-check.yml`
  - `.github/workflows/client-credential-benchmark.yml`
  - `.github/workflows/issue-template-bot.yml`
  - `.github/workflows/msal-node-confidential-client-benchmarks.yml`
  - `.github/workflows/typedoc.yml`

Author: tnorling

.github/workflows/beachball-bump.yml

@@ -33,16 +33,14 @@ jobs:
                         - 'lib/**/**.!(md)'
                         - 'extensions/msal-node-extensions/**/**.!(md)'
 
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v6
               if: ${{ steps.filter.outputs.lib == 'true' }}
               with:
                   fetch-depth: 0
 
             - name: Use Node.js
               if: ${{ steps.filter.outputs.lib == 'true' }}
-              uses: actions/setup-node@v4
-              with:
-                  node-version: 18
+              uses: actions/setup-node@v6
 
             - name: Install beachball
               if: ${{ steps.filter.outputs.lib == 'true' }}

.github/workflows/beachball-check.yml

@@ -20,8 +20,8 @@ jobs:
         name: Run msal-node client-credential Regression Test
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v4
-            - uses: actions/setup-node@v4
+            - uses: actions/checkout@v6
+            - uses: actions/setup-node@v6
 
             - name: Install dependencies
               run: npm install --workspace=lib/msal-common --workspace=lib/msal-node

.github/workflows/client-credential-benchmark.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run Bot
         uses: ./.github/actions/issue_template_bot

.github/workflows/issue-template-bot.yml

@@ -15,8 +15,8 @@ jobs:
         name: Performance regression check
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v4
-            - uses: actions/setup-node@v4
+            - uses: actions/checkout@v6
+            - uses: actions/setup-node@v6
 
             - name: Install dependencies
               run: npm install --workspace=lib/msal-common --workspace=lib/msal-node

.github/workflows/label.yml

@@ -16,15 +16,13 @@ jobs:
       contents: write
       pages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
 
       - name: Use Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 24
+        uses: actions/setup-node@v6
 
       - name: Install
         run: npm i --workspace=lib/** --workspace=@azure/msal-node-extensions --include-workspace-root