skip 3.15 for bigtable

Author: parthea

packages/google-cloud-bigtable/noxfile.py

@@ -225,6 +225,11 @@ def unit(session, protobuf_implementation):
     if protobuf_implementation == "cpp" and py_version >= (3, 11):
         session.skip("cpp implementation is not supported in python 3.11+")
 
+    if session.python == "3.15":
+        session.skip(
+            "Skipping 3.15 until wheels are available for google-crc32c."
+        )
+
     constraints_path = str(
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )