chore(deps): update actions/checkout action to v5

Ref: PACT-445

Author: pactflow-renovate-bot[bot]

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.13"
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
       - run: docker pull pactfoundation/pact-cli:latest
       - name: Can I deploy?
         run: GIT_BRANCH=${GIT_REF:11} make can_i_deploy
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: can-i-deploy
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
       - run: docker pull pactfoundation/pact-cli:latest
       - name: Deploy
         run: GIT_BRANCH=${GIT_REF:11} make deploy