Try benchmark baseline main instead of master

Author: janbruedigam

.github/workflows/benchmark.yml

@@ -15,6 +15,6 @@ jobs:
       - name: Install dependencies
         run: julia -e 'using Pkg; pkg"add PkgBenchmark BenchmarkCI@0.1"'
       - name: Run benchmarks
-        run: julia -e 'using BenchmarkCI; BenchmarkCI.judge(retune=true)' # retune sometimes necessary to avoid counting compile-time 
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.judge(retune=true,baseline="origin/main")' # retune sometimes necessary to avoid counting compile-time 
       - name: Print judgement
         run: julia -e 'using BenchmarkCI; BenchmarkCI.displayjudgement()'