Update actions/checkout action to v6 (#267)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup PHP
         uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
         with:
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup PHP
         uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
@@ -69,7 +69,7 @@ jobs:
     container:
       image: php:8.5-cli@sha256:18d21fb27f347ba0b5a7b51822640635fabf7ff3f79a08ddc8bdf1c4a2693d06
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Package and copy
         run: |
@@ -94,7 +94,7 @@ jobs:
         ts: ['ts', 'nts']
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Install PHP ${{ matrix.php }}-${{ matrix.ts }}
         id: setup-php-sdk
         uses: php/setup-php-sdk@e2ce1c294f272ed93e8083f14649f5adadf93788 # v0.12
@@ -154,7 +154,7 @@ jobs:
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: download-artifacts
         uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5
         with:

.github/workflows/check-style.yml

@@ -7,7 +7,7 @@ jobs:
     name: Formatting Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Run clang-format style check
         uses: jidicula/clang-format-action@6cd220de46c89139a0365edae93eee8eb30ca8fe # v4.16.0
         with:

.github/workflows/fossa.yml

@@ -12,7 +12,7 @@ jobs:
   fossa:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - uses: fossas/fossa-action@3ebcea1862c6ffbd5cf1b4d0bd6b3fe7bd6f2cac # v1.7.0
         with:

.github/workflows/nightly.yml

@@ -19,7 +19,7 @@ jobs:
     if: github.repository == 'open-telemetry/opentelemetry-php-instrumentation'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
         with:
           php-version: 8.5

.github/workflows/ossf-scorecard.yml

@@ -19,7 +19,7 @@ jobs:
       # Needed for GitHub OIDC token if publish_results is true
       id-token: write
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
 

.github/workflows/publish-php-debug-images.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
 
       - name: check out the repo
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

.github/workflows/split.yml

@@ -18,7 +18,7 @@ jobs:
     permissions:
       contents: write # required for pushing changes
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
       - name: Split repositories