ci(action): update actions/checkout action to v6 (#303)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

Author: descope[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Build
         uses: ./.github/actions/build
@@ -30,7 +30,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Lint
         uses: ./.github/actions/lint
@@ -46,7 +46,7 @@ jobs:
       checks: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Test
         uses: ./.github/actions/test
@@ -64,7 +64,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Security
         uses: ./.github/actions/security
@@ -83,7 +83,7 @@ jobs:
       attestations: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Pack and Upload
         uses: ./.github/actions/pack