opentelemetry-instrumentation: stick to latest semantic conventions p…

…ackage (#2952)

To match the instrumentations.

Will hopefully fix pip not able to handle the situation:

  opentelemetry-instrumentation 0.49b0 depends on opentelemetry-semantic-conventions>=0.48b0
  opentelemetry-instrumentation-dbapi 0.49b0 depends on opentelemetry-semantic-conventions==0.49b0

opentelemetry-instrumentation/pyproject.toml

@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
   "opentelemetry-api ~= 1.4",
-  "opentelemetry-semantic-conventions >= 0.48b0",
+  "opentelemetry-semantic-conventions == 0.49b0.dev",
   "wrapt >= 1.0.0, < 2.0.0",
   "packaging >= 18.0",
 ]