chore(deps): update actions/checkout action to v6

Ref: PACT-445

Author: pactflow-renovate-bot[bot]

.github/workflows/build.yml

@@ -43,7 +43,7 @@ jobs:
     env:
       PACT_CLI_DOCKER_VERSION: ${{ needs.set-pact-cli-docker-version.outputs.PACT_CLI_DOCKER_VERSION}}
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: ${{ matrix.node-version }}
@@ -65,7 +65,7 @@ jobs:
     env:
       PACT_CLI_DOCKER_VERSION: ${{ needs.set-pact-cli-docker-version.outputs.PACT_CLI_DOCKER_VERSION}}
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: 🔎 Can I deploy? 
         run: GIT_BRANCH=${GITHUB_REF:11} make can_i_deploy
         shell: bash
@@ -81,7 +81,7 @@ jobs:
     env:
       PACT_CLI_DOCKER_VERSION: ${{ needs.set-pact-cli-docker-version.outputs.PACT_CLI_DOCKER_VERSION}}
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: 🚀 Deploy
         run: GIT_BRANCH=${GITHUB_REF:11} make deploy
         if: github.ref == 'refs/heads/master'