Use cache for conan files in between steps.

.drone.yml

@@ -1,10 +1,17 @@
 kind: pipeline
 name: default
 
+volumes:
+  - name: conan-data
+    temp: {}
+
 type: docker
 steps:
   - name: test-debug-linux
     image: deukhoofd/linux64builder
+    volumes:
+      - name: conan-data
+        path: /root/.conan/data
     environment:
       CC: /usr/bin/clang
       CXX: /usr/bin/clang++
@@ -15,6 +22,9 @@ steps:
       - build-debug/bin/CreatureLibTests -s --durations yes --use-colour yes
   - name: test-release-linux
     image: deukhoofd/linux64builder
+    volumes:
+      - name: conan-data
+        path: /root/.conan/data
     environment:
       CC: /usr/bin/clang
       CXX: /usr/bin/clang++
@@ -26,6 +36,9 @@ steps:
       - valgrind --tool=memcheck --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no --error-exitcode=1 build-release/bin/CreatureLibTests
   - name: test-release-windows
     image: deukhoofd/windowsbuilder
+    volumes:
+      - name: conan-data
+        path: /root/.conan/data
     commands:
       - conan remote add epsilon-public https://packages.p-epsilon.com/
       - update-alternatives --set i686-w64-mingw32-gcc /usr/bin/i686-w64-mingw32-gcc-posix
@@ -40,6 +53,9 @@ steps:
       - wine build-release-windows/bin/CreatureLibTests.exe -s
   - name: conan-deploy
     image: deukhoofd/linux64builder
+    volumes:
+      - name: conan-data
+        path: /root/.conan/data
     environment:
       CONAN_LOGIN_USERNAME:
         from_secret: conan_username