update boost version

Author: sveseli

configure/BUILD.conf

@@ -1,5 +1,5 @@
 BUILD_NUMBER=1
 EPICS_BASE_VERSION=7.0.7
-BOOST_VERSION=1.78.0
+BOOST_VERSION=1.81.0
 PVAPY_VERSION=0.0
 PVAPY_GIT_VERSION=master

documentation/RELEASE_NOTES.md

@@ -6,7 +6,7 @@
   - added ability to load images from HDF5 files (either compressed or uncompressed)
 - Conda/pip package dependencies: 
   - EPICS BASE = 7.0.7
-  - BOOST      = 1.78.0
+  - BOOST      = 1.81.0
   - NUMPY      >= 1.22 (for python >= 3.8); >= 1.19, < 1.21 (for python < 3.8)
 
 ## Release 5.2.0 (2022/11/04)