Update changelog for version 1.0.1; closes #415

CHANGES.rst

 Changelog
 =========
 
-1.0.1 (unreleased)
+1.0.1 (2022-05-09)
 ------------------
 
 -   Added ``request_disk`` specification for gwcelery condor submission
@@ -12,6 +12,8 @@ Changelog
 
 -   Add ``ligo.em_bright>=0.1.5`` dependency.
 
+-   Update MPICH module in deployment environment for RL8
+
 -   Configure the playground environment to read O3ReplayMDC frames.
 
 -   In O4, online CBC pipelines shall include the PSDs in the initial
@@ -37,6 +39,12 @@ Changelog
 -   Prevent external GCN notices with no sky map information (all zeros) from
     creating sky maps.
 
+-   Pass --no-deps to pip during deployment because of a bug in pip and because
+    the poetry lock file already contains all of the dependencies
+
+-   Drop --use-feature=in-tree-build from pip call in deployment, as pip now
+    does this by default and has deprecated this option
+
 1.0.0 (2022-01-21)
 ------------------