chore(deps): bump actions/checkout action

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/appstore-conventional-build-publish.yml

@@ -47,7 +47,7 @@ jobs:
           echo "APP_VERSION=${GITHUB_REF##*/}" >> $GITHUB_ENV
 
       - name: Checkout
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           token: ${{ secrets.RELEASE_PAT }}
           fetch-depth: 0

.github/workflows/package.yml

@@ -12,7 +12,7 @@ jobs:
     name: Build release tarball
     steps:
       - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Read package.json node and npm engines version
         uses: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1 # v2.2
         id: versions

.github/workflows/test.yml

@@ -38,7 +38,7 @@ jobs:
         node-version: 'false'
         install: true
     - name: Checkout Mail
-      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       with:
         path: nextcloud/apps/mail
         fetch-depth: 2
@@ -158,7 +158,7 @@ jobs:
               php -f nextcloud/occ config:system:set memcache.local --value='\OC\Memcache\Redis'
               php -f nextcloud/occ config:system:set memcache.distributed --value='\OC\Memcache\Redis'
           - name: Checkout Mail
-            uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+            uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
             with:
                 path: nextcloud/apps/mail
                 fetch-depth: 2
@@ -205,7 +205,7 @@ jobs:
       runs-on: ubuntu-latest
       name: Front-end unit tests
       steps:
-          - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+          - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
           - name: Read package.json node and npm engines version
             uses: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1 # v2.2
             id: versions
@@ -232,7 +232,7 @@ jobs:
       branches-min: ${{ steps.versions.outputs.branches-min }}
     steps:
       - name: Checkout app
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Get version matrix
         id: versions
         uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
@@ -258,7 +258,7 @@ jobs:
           php -f nextcloud/occ config:system:set app.mail.debug --type=bool --value=true
           php -f nextcloud/occ config:system:set app.mail.verify-tls-peer --type=bool --value=false
       - name: Check out the app
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           path: nextcloud/apps/mail
       - name: Install php dependencies