MAINT: bump grpcio from 1.67.1 to 1.69.0 #1665

Job	Run time
Documentation Style Check	15s
Code style	51s
Update CHANGELOG (on release)	0s
Documentation	2m 16s
Build and Smoke tests (ubuntu-latest, 3.10, false)	24s
Build and Smoke tests (ubuntu-latest, 3.11, false)	30s
Build and Smoke tests (ubuntu-latest, 3.12, false)	21s
Build and Smoke tests (windows-latest, 3.10, false)	1m 30s
Build and Smoke tests (windows-latest, 3.11, false)	1m 17s
Build and Smoke tests (windows-latest, 3.12, false)	1m 53s
Tests and coverage (3.10)	59s
Tests and coverage (3.11)	1s
Tests and coverage (3.12)	1s
Package library	0s
Release project	0s
Upload dev documentation	0s
Upload release documentation	0s
	10m 18s

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