NEWS.md : add graphman commands pause and resume

Author: incrypto32

NEWS.md

@@ -4,7 +4,8 @@
 
 - `graphman rewind` has changed, block-number and block-hash are now flags instead of arguments
 - `graphman rewind` now has an extra flag `--start-block` which will rewind to the startBlock set in manifest or to the genesis block if no startBlock is set
- 
+- `graphman` now has two new commands `pause` and `resume` that can be used to pause and resume a deployment
+
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 Note: the changes in this PR were technically released in v0.31.0, but the feature also requires changes to graph-cli, which at the time of writing has NOT been released. This feature will make it into the release notes of graph-node only once graph-cli has been updated.