Require oslo.privsep 1.32.0

Cinder and Nova already require this version,
as it provides significant performance enhancements.

Change-Id: I42623a2172ebd80a237006e880189095bc27e70f

lower-constraints.txt

@@ -44,7 +44,7 @@ oslo.config==5.2.0
 oslo.context==2.19.2
 oslo.i18n==3.15.3
 oslo.log==3.36.0
-oslo.privsep==1.23.0
+oslo.privsep==1.32.0
 oslo.serialization==2.18.0
 oslo.service==1.24.0
 oslo.utils==3.33.0

requirements.txt

@@ -8,7 +8,7 @@ eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
 oslo.concurrency>=3.26.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.privsep>=1.23.0 # Apache-2.0
+oslo.privsep>=1.32.0 # Apache-2.0
 oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0