Regression tests: use release branch instead of commit hash

Signed-off-by: CarlosFelipeOR <carlosfelipeor@gmail.com>

Author: CarlosFelipeOR

.github/workflows/release_branches.yml

@@ -626,7 +626,7 @@ jobs:
     secrets: inherit
     with:
       runner_type: altinity-on-demand, altinity-type-cpx51, altinity-image-x86-app-docker-ce, altinity-setup-regression
-      commit: 6da94b78dc53cb8965ab56c04a89ebf54ed04cbc
+      commit: release
       arch: release 
       build_sha: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.event_name == 'release' && github.sha }}
 
@@ -636,7 +636,7 @@ jobs:
     secrets: inherit
     with:
       runner_type: altinity-on-demand, altinity-type-cax41, altinity-image-arm-app-docker-ce, altinity-setup-regression
-      commit: 6da94b78dc53cb8965ab56c04a89ebf54ed04cbc
+      commit: release
       arch: aarch64
       build_sha: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.event_name == 'release' && github.sha }}