Update github scripts.

Author: davidgiven

.github/workflows/ccpp.yml

@@ -10,7 +10,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 1
     - name: apt
@@ -26,7 +26,7 @@ jobs:
       run: PATH=$PATH:$HOME/bin make
 
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name:  ${{ github.event.repository.name }}.${{ github.sha }}
         path: |

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 1