Relax version

Author: xrmx

tox.ini

@@ -129,7 +129,7 @@ deps =
   opentelemetry-exporter-otlp-proto-http: -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-http/test-requirements.txt
 
   # setuptools 78 removed support for syntax used in opentracing package
-  opentracing-shim: setuptools==77.0.3
+  opentracing-shim: setuptools<78
   opentracing-shim: -r {toxinidir}/shim/opentelemetry-opentracing-shim/test-requirements.txt
 
   opencensus-shim: -r {toxinidir}/shim/opentelemetry-opencensus-shim/test-requirements.txt