added changelog and links for 21.10.7 release (#3280)

* added changelog entry for 21.10.7

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

CHANGELOG.md

@@ -29,6 +29,19 @@
 https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/22.1.0-RC2/besu-22.1.0-RC2.zip \ SHA256: 86c97c935d70857d210016eb73f518fddd5dcef0c7928c5ede4622bf62c69d17
 https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/22.1.0-RC2/besu-22.1.0-RC2.tar.gz \ SHA256 327c14e1829d39e65f822478b166519e781ac4714f54da39ba26d21ba5729a1e
 
+## 21.10.7
+
+### Bug Fixes
+- Update dependencies (including vert.x, kubernetes client-java, okhttp, commons-codec)
+
+### Additions and Improvements
+- Add support for additional JWT authentication algorithms [#3017](https://github.com/hyperledger/besu/pull/3017)
+- Remove Orion ATs
+
+### Download Links
+https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/21.10.7/besu-21.10.7.tar.gz \ SHA256 94cee804fcaea366c9575380ef0e30ed04bf2fc7451190a94887f14c07f301ff
+https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/21.10.7/besu-21.10.7.zip \ SHA256 faf1ebfb20aa6171aa6ea98d7653339272567c318711d11e350471b5bba62c00
+
 ## 21.10.6
 
 ### Bug Fixes
@@ -53,6 +66,7 @@ https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/21.10.5/besu-21.10.5
 - Plugin API: BlockHeader.getBaseFee() method now returns an optional Wei instead of an optional Long [#3065](https://github.com/hyperledger/besu/issues/3065)
 
 ### Additions and Improvements
+- Add support for additional JWT authentication algorithms [#3017](https://github.com/hyperledger/besu/pull/3017)
 - Represent baseFee as Wei instead of long accordingly to the spec [#2785](https://github.com/hyperledger/besu/issues/2785)
 - Implements [EIP-4399](https://eips.ethereum.org/EIPS/eip-4399) to repurpose DIFFICULTY opcode after the merge as a source of entropy from the Beacon chain. [#3081](https://github.com/hyperledger/besu/issues/3081)
 
@@ -87,9 +101,6 @@ This release is not recommended for production use.
 ### Bug Fixes
 - Change the base docker image from Debian Buster to Ubuntu 20.04 [#3171](https://github.com/hyperledger/besu/issues/3171) fixes [#3045](https://github.com/hyperledger/besu/issues/3045)
 
-### Early Access Features
-- Add support for additional JWT authentication algorithms [#3017](https://github.com/hyperledger/besu/pull/3017)
-
 ### Download Link
 This release is not recommended for production use.