Merge pull request #50 from ChrisPulman/renovate/actions-cache-4.x

Update actions/cache action to v4

Author: ChrisPulman

.github/workflows/BuildDeploy.yml

@@ -42,7 +42,7 @@ jobs:
       - run: echo 'SemVer2=${{ steps.nbgv.outputs.SemVer2 }}'
 
       - name: 'Cache: .nuke/temp, ~/.nuget/packages'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             .nuke/temp

.github/workflows/BuildOnly.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: 'Cache: .nuke/temp, ~/.nuget/packages'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             .nuke/temp