build(deps): bump actions/checkout from 5 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/publish-mcp.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive
@@ -166,7 +166,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive
@@ -49,7 +49,7 @@ jobs:
       run:
         working-directory: mcp
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive
@@ -95,7 +95,7 @@ jobs:
       AEGIS_RPC_URL: ${{ secrets.BASE_SEPOLIA_RPC_URL_PRIMARY }}
       AEGIS_RPC_URLS: ${{ secrets.BASE_SEPOLIA_RPC_URL_PRIMARY }},${{ secrets.BASE_SEPOLIA_RPC_URL_SECONDARY }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive
@@ -151,7 +151,7 @@ jobs:
       run:
         working-directory: subgraph
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive
@@ -184,7 +184,7 @@ jobs:
       run:
         working-directory: api
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
           submodules: recursive