Modernize use of some GitHub actions

* CI: Replace get-current-time action with bash date command
* CI: Replace ilammy/msvc-dev-cmd with TheMrMilchmann/setup-msvc-dev@v4

.github/workflows/AppFwkUnitTest.yml

@@ -43,7 +43,10 @@ jobs:
         uses: lukka/get-cmake@latest
 
       - name: Use MSVC (Windows)
-        uses: ilammy/msvc-dev-cmd@v1
+        if: contains(matrix.os, 'windows')
+        uses: TheMrMilchmann/setup-msvc-dev@v4
+        with:
+          arch: x64
 
       - name: Configure and build
         run: |

.github/workflows/ResInsightWithCache.yml

@@ -109,16 +109,18 @@ jobs:
           pip install -r GrpcInterface/Python/build-requirements.txt
 
       - name: Use MSVC (Windows)
-        uses: ilammy/msvc-dev-cmd@v1
+        if: contains(matrix.config.os, 'windows')
+        uses: TheMrMilchmann/setup-msvc-dev@v4
+        with:
+          arch: x64
 
       - name: Setup buildcache
         uses: CeetronSolutions/setup-buildcache-action@v1.0
 
-      - name: Get current time
-        uses: josStorer/get-current-time@v2
+      - name: Get current date
         id: current-time
-        with:
-          format: YYYY-MM-DD
+        shell: bash
+        run: echo "formattedTime=$(date -u +%Y-%m-%d)" >> $GITHUB_OUTPUT
 
       - name: Print time stamp
         run: echo "timestamp ${{ steps.current-time.outputs.formattedTime }}"