Set fetch-depth: 2 on workflows using tj-actions/changed-files (#60219)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: heiskr

.github/workflows/content-lint-markdown.yml

@@ -24,6 +24,9 @@ jobs:
     steps:
       - name: Check out repo
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - name: Set up Node and dependencies
         uses: ./.github/actions/node-npm-setup

.github/workflows/link-check-on-pr.yml

@@ -30,6 +30,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - uses: ./.github/actions/node-npm-setup
 

.github/workflows/readability.yml

@@ -27,10 +27,11 @@ jobs:
     if: github.repository == 'github/docs-internal'
     runs-on: ubuntu-latest
     steps:
-      - name: Check out repo with full history
+      - name: Check out repo
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
-          fetch-depth: 0
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - name: Checkout PR for manual dispatch
         if: ${{ github.event_name == 'workflow_dispatch' }}

.github/workflows/reviewers-legal.yml

@@ -33,6 +33,9 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6.0.1
+        with:
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - name: Get changed files
         id: changed_files

.github/workflows/test-changed-content.yml

@@ -28,6 +28,9 @@ jobs:
       # Even if if doesn't do anything
       - name: Check out repo
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - uses: ./.github/actions/node-npm-setup
 

.github/workflows/test.yml

@@ -88,6 +88,9 @@ jobs:
       # Even if if doesn't do anything
       - name: Check out repo
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          # Fetch 2 commits so tj-actions/changed-files can diff without extra API calls
+          fetch-depth: 2
 
       - uses: ./.github/actions/setup-elasticsearch
         if: ${{ matrix.name == 'search' || matrix.name == 'languages' }}