Update Resource processor Ubuntu Image (microsoft#3902)

* Update clean_validation_envs.yml

* update

* update BRANCH_LAST_ACTIVITY_IN_HOURS_FOR_STOP: 8

* update core resource processor image

* remove clean env

* update version

* update changelog

Author: Tim Allen

CHANGELOG.md

@@ -9,9 +9,8 @@ ENHANCEMENTS:
 
 BUG FIXES:
 * Update Guacomole Linux VM Images to 22.04 and 20.04 Data Science VM. Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))
-* Update to Resource Processor Image, now using Ubuntu 22.04 (jammy). Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))
-* Update Guacomole Linux VM Images to 22.04 and 20.04 Data Science VM. Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))
-  
+* Update to Resource Processor Image, now using Ubuntu 22.04 (jammy). Part of ([#3523](https://github.com/microsoft/AzureTRE/issues/3523))  
+
 COMPONENTS:
 
 ## 0.17.0

core/version.txt

@@ -1 +1 @@
-__version__ = "0.9.7"
+__version__ = "0.9.8"