ci: Properly include $FILE_ENV in DEPENDS_HASH

$FILE_ENV has a full relative path already, prepending with ci/test/
results in a non-existent path which means that DEPENDS_HASH was not
actually committing to the test's environment file.

Author: achow101

.github/actions/configure-environment/action.yml

@@ -17,7 +17,7 @@ runs:
     - name: Set cache hashes
       shell: bash
       run: |
-        echo "DEPENDS_HASH=$(git ls-tree HEAD depends "ci/test/$FILE_ENV" | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
+        echo "DEPENDS_HASH=$(git ls-tree HEAD depends "$FILE_ENV" | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
         echo "PREVIOUS_RELEASES_HASH=$(git ls-tree HEAD test/get_previous_releases.py | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
 
     - name: Get container name