Fix: [AEA-0000] - Bump regression test version v3.4.12 (#1372)

## Summary

- Routine Change

### Details

Bump regression test version v3.4.12

---------

Signed-off-by: Connor Avery <[email protected]>

Author: connoravo-nhs

.github/workflows/run_regression_tests.yml

@@ -69,8 +69,8 @@ jobs:
           GITHUB-TOKEN: ${{ steps.generate-token.outputs.token }}
         run: |
               if [[ "$TARGET_ENVIRONMENT" != "prod" && "$TARGET_ENVIRONMENT" != "ref" ]]; then
-                REGRESSION_TEST_REPO_TAG="v3.4.10" # This is the tag or branch of the regression test code to run, usually a version tag like v3.1.0 or a branch name
-                REGRESSION_TEST_WORKFLOW_TAG="v3.4.10" # This is the tag of the github workflow to run, usually the same as REGRESSION_TEST_REPO_TAG
+                REGRESSION_TEST_REPO_TAG="v3.4.12" # This is the tag or branch of the regression test code to run, usually a version tag like v3.1.0 or a branch name
+                REGRESSION_TEST_WORKFLOW_TAG="v3.4.12" # This is the tag of the github workflow to run, usually the same as REGRESSION_TEST_REPO_TAG
 
                 if [[ -z "$REGRESSION_TEST_REPO_TAG" || -z "$REGRESSION_TEST_WORKFLOW_TAG" ]]; then
                   echo "Error: One or both tag variables are not set" >&2