Bump actions/checkout from 4.3.1 to 7.0.0 (#559)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -37,7 +37,7 @@ jobs:
         php: [ '8.3', '8.4', '8.5' ]
     steps:
       - name: Checkout.
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false