Bump actions/checkout from 6 to 7 (#225)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to
7.

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/clang-format.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/float-fvp.yml

@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/float-host.yml

@@ -61,7 +61,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/gh-pages.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Pages
         uses: actions/configure-pages@v6

.github/workflows/integer-fvp.yml

@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/lib-variants.yml

@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/pack.yml

@@ -16,7 +16,7 @@ jobs:
     name: Generate pack
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/pdsc.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Check
         run: |