use experimental features flag

Author: realFlowControl

.github/workflows/prof_correctness.yml

@@ -58,9 +58,7 @@ jobs:
       - name: Run no profile test
         run: |
           export DD_PROFILING_ENABLED=Off
-          export DD_PROFILING_EXPERIMENTAL_TIMELINE_ENABLED=1
-          export DD_PROFILING_EXPERIMENTAL_EXCEPTION_ENABLED=1
-          export DD_PROFILING_EXPERIMENTAL_EXCEPTION_SAMPLING_DISTANCE=1
+          export DD_PROFILING_EXPERIMENTAL_FEATURES_ENABLED=1
           php -d extension=target/release/libdatadog_php_profiling.so --ri datadog-profiling
           for test_case in "allocations" "time" "strange_frames" "timeline" "exceptions"; do
               mkdir -p profiling/tests/correctness/"$test_case"/
@@ -75,8 +73,7 @@ jobs:
       - name: Run tests
         run: |
           export DD_PROFILING_LOG_LEVEL=trace
-          export DD_PROFILING_EXPERIMENTAL_TIMELINE_ENABLED=1
-          export DD_PROFILING_EXPERIMENTAL_EXCEPTION_ENABLED=1
+          export DD_PROFILING_EXPERIMENTAL_FEATURES_ENABLED=1
           export DD_PROFILING_EXPERIMENTAL_EXCEPTION_SAMPLING_DISTANCE=1
           php -d extension=target/release/libdatadog_php_profiling.so --ri datadog-profiling
           for test_case in "allocations" "time" "strange_frames" "timeline" "exceptions"; do