chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/CI.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Build
       run: cargo build
 

.github/workflows/Publish.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Project checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: CratesIO login
         run: cargo login ${{ secrets.CRATESIO_TOKEN }}