Update actions/checkout action to v5 (#45593)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/18747913602

Upstream-Ref: Automattic/jetpack@29137ce

Author: tbradsha

.github/workflows/autorelease.yml

@@ -18,7 +18,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Create release
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/autotagger.yml

@@ -22,7 +22,7 @@ jobs:
             exit 1
           fi
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           # We want to potentially trigger "tag" events, but the default GITHUB_TOKEN
           # explicitly does not trigger events.

.github/workflows/wp-svn-autopublish.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Install svn
         run: command -v svn || sudo apt-get install -y subversion
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           path: src