enabling the deprecated set-env calls in the github actions workflow - to avoid rewriting it for now
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e1f6341..a80d0f9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,6 +13,7 @@
       TSAN_OPTIONS: force_seq_cst_atomics=1
       CTEST_OUTPUT_ON_FAILURE: ON
       CTEST_PARALLEL_LEVEL: 2
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true # because of the set-env calls
 
     strategy:
       fail-fast: false