Bump actions/checkout from 6.0.2 to 7.0.0 (#75)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 7.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@de0fac2...9c091bb)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr_validation.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           lfs: true
           fetch-depth: 0
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           lfs: true
           fetch-depth: 0
@@ -83,7 +83,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           fetch-depth: 0
 
@@ -104,7 +104,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: "ShellCheck (bash)"
         run: shellcheck scripts/install-skillserver.sh
@@ -128,7 +128,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           lfs: true
           fetch-depth: 0
@@ -173,7 +173,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           lfs: true
           fetch-depth: 0

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: "Checkout"
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         lfs: true
         fetch-depth: 0
@@ -75,7 +75,7 @@ jobs:
 
     steps:
     - name: "Checkout"
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         lfs: true
         fetch-depth: 0
@@ -166,7 +166,7 @@ jobs:
 
     steps:
     - name: "Checkout"
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         lfs: true
         fetch-depth: 0
@@ -203,7 +203,7 @@ jobs:
 
     steps:
     - name: "Checkout"
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         fetch-depth: 0