chore(deps): Fix possible dependency conflict with google-api-core 2.17.1 (#280)

Author: holtskinner

setup.py

@@ -52,7 +52,7 @@
         "google.cloud.documentai_toolbox": ["templates/*.xml.j2"],
     },
     install_requires=(
-        "google-api-core>=2.17.1, <3.0.0dev",
+        "google-api-core>=2.15.0, <3.0.0dev",
         "pandas[performance,gcp]>=2.0.0, <3.0.0",
         "pyarrow>=15.0.0, <16.0.0",
         "tabulate>=0.9.0, <1.0.0",

testing/constraints-3.8.txt

@@ -5,7 +5,7 @@
 # Pin the version to the lower bound.
 # e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
 # Then this file should have google-cloud-foo==1.14.0
-google-api-core==2.17.1
+google-api-core==2.15.0
 pandas==2.0.0
 proto-plus==1.22.3
 grpc-google-iam-v1==0.12.6