Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/beachball-bump.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       # Check-out repo
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/beachball-check.yml

@@ -34,7 +34,7 @@ jobs:
                         - 'lib/**/**.!(md)'
                         - 'extensions/msal-node-extensions/**/**.!(md)'
 
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               if: ${{ steps.filter.outputs.lib == 'true' }}
               with:
                   fetch-depth: 0

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

@@ -20,7 +20,7 @@ jobs:
         name: Run msal-node client-credential Regression Test
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: actions/setup-node@v4
 
             - name: Install dependencies

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

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run Bot
         uses: ./.github/actions/issue_template_bot

.github/workflows/metadata-check.yml

@@ -21,7 +21,7 @@ jobs:
   metadata-checker:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Use Node.js
       uses: actions/setup-node@v4

.github/workflows/msal-node-confidential-client-benchmarks.yml

@@ -15,7 +15,7 @@ jobs:
         name: Performance regression check
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: actions/setup-node@v4
 
             - name: Install dependencies

.github/workflows/npm-audit.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Use Node.js
       uses: actions/setup-node@v4

.github/workflows/typedoc.yml

@@ -16,7 +16,7 @@ jobs:
       contents: write
       pages: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod