adds CONAN_HOME as shell env variable

.gitea/workflows/run_act.yaml

@@ -8,11 +8,7 @@ jobs:
       image: git.minres.com/tooling/riscof_sail:latest
       volumes:
         - act-runtime:/mnt/act-runtime
-    env:
-      CONAN_HOME=/mnt/act-runtime/conan/
     steps:
-      - name: Check Environment
-        run: env
       - name: Check out repository code
         run: git clone --recursive -b ${{gitea.ref_name}} https://git.minres.com/TGFS/TGC-ISS.git
       
@@ -24,6 +20,7 @@ jobs:
       
       - name: Build tgc-sim executable
         run: |
+          export CONAN_HOME=/mnt/act-runtime/conan/
           conan profile new --detect --force default
           cmake -S TGC-ISS -B TGC-ISS/build -DCMAKE_BUILD_TYPE=Debug -DWITH_ASMJIT=ON -DWITH_TCC=ON -DWITH_LLVM=OFF
           cmake --build TGC-ISS/build -j24