chore(ci): fix version for system tests (#14887)

- fix version computation for backports on 3.16
- update ST version to fix a problem related to changes in the agent.

Author: christophe-papazian

.github/workflows/system-tests.yml

@@ -47,7 +47,7 @@ jobs:
           persist-credentials: false
           repository: 'DataDog/system-tests'
           # Automatically managed, use scripts/update-system-tests-version to update
-          ref: '6be22a6418b86c3be4920790dfa121149aed2903'
+          ref: 'e2ed3829e49bdeda8dad48ec3dce42d8c0fc01d2'
 
       - name: Download wheels to binaries directory
         uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
@@ -94,7 +94,7 @@ jobs:
           persist-credentials: false
           repository: 'DataDog/system-tests'
           # Automatically managed, use scripts/update-system-tests-version to update
-          ref: '6be22a6418b86c3be4920790dfa121149aed2903'
+          ref: 'e2ed3829e49bdeda8dad48ec3dce42d8c0fc01d2'
 
       - name: Build runner
         uses: ./.github/actions/install_runner
@@ -279,7 +279,7 @@ jobs:
           persist-credentials: false
           repository: 'DataDog/system-tests'
           # Automatically managed, use scripts/update-system-tests-version to update
-          ref: '6be22a6418b86c3be4920790dfa121149aed2903'
+          ref: 'e2ed3829e49bdeda8dad48ec3dce42d8c0fc01d2'
       - name: Download wheels to binaries directory
         uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:

.gitlab-ci.yml

@@ -14,7 +14,7 @@ variables:
   DD_VPA_TEMPLATE: "vpa-template-cpu-p70-10percent-2x-oom-min-cap"
   # CI_DEBUG_SERVICES: "true"
   # Automatically managed, use scripts/update-system-tests-version to update
-  SYSTEM_TESTS_REF: "6be22a6418b86c3be4920790dfa121149aed2903"
+  SYSTEM_TESTS_REF: "e2ed3829e49bdeda8dad48ec3dce42d8c0fc01d2"
 
 default:
   interruptible: true

pyproject.toml

@@ -88,7 +88,7 @@ Homepage = "https://github.com/DataDog/dd-trace-py"
 "Source Code" = "https://github.com/DataDog/dd-trace-py/"
 
 [tool.setuptools_scm]
-version_scheme = "release-branch-semver"  # Must be "release-branch-semver" for now in main, see https://github.com/DataDog/dd-trace-py/issues/8801
+version_scheme = "guess-next-dev"
 write_to = "ddtrace/_version.py"
 
 [tool.cython-lint]