Add requirements.txt with version tagging

.github/workflows/ResInsightWithCache.yml

@@ -74,7 +74,7 @@ jobs:
         # Make sure protobuf version is compatible with grpc - https://github.com/OPM/ResInsight/issues/9304
         run: |
           python -m pip install --upgrade pip
-          pip install protobuf==3.20.*
+          pip install -r requirements.txt
 
       - name: Use CMake
         uses: lukka/get-cmake@latest

requirements.txt

@@ -1,4 +1,4 @@
-grpcio
-grpcio-tools
-protobuf
+grpcio < 1.49
+grpcio-tools < 1.49
+protobuf < 3.21
 m2r