chore: Try using another name for the SONAR_TOKEN env variable

Somehow, the PYPI_* ones work well and not SONAR_TOKEN. I suppose
there might be something hardcoded in circleci about
SONAR_TOKEN. So I'm trying with another name.

.circleci/config.yml

@@ -51,7 +51,7 @@ jobs:
               circleci-agent step halt
             fi
         - run: "sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/download/v0.8.3/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'"
-        - run: earthly --secret SONAR_TOKEN="${SONAR_TOKEN}" --ci +sanity-check
+        - run: earthly --secret SONAR_TOKEN="${MY_SONAR_TOKEN}" --ci +sanity-check
   deploy:
     machine:
       image: ubuntu-2204:2023.10.1
@@ -60,4 +60,4 @@ jobs:
     steps:
         - checkout
         - run: "sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/download/v0.8.3/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'"
-        - run: earthly --secret SONAR_TOKEN="${SONAR_TOKEN}" --secret pypi_username="${PYPI_USERNAME}" --secret pypi_password="${PYPI_PASSWORD}" --ci --push +deploy
+        - run: earthly --secret SONAR_TOKEN="${MY_SONAR_TOKEN}" --secret pypi_username="${PYPI_USERNAME}" --secret pypi_password="${PYPI_PASSWORD}" --ci --push +deploy