Add prerelease pipeline (#479)

Author: ssbarnea

.github/workflows/ack.yml

@@ -1,15 +1,12 @@
+---
 # See https://github.com/ansible/team-devtools/blob/main/.github/workflows/ack.yml
 name: ack
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 on:
+  merge_group:
   pull_request_target:
     types: [opened, labeled, unlabeled, synchronize]
 
 jobs:
   ack:
-    uses: ansible/team-devtools/.github/workflows/ack.yml@token_revised
+    uses: ansible/team-devtools/.github/workflows/ack.yml@main
     secrets: inherit

.github/workflows/tox.yml

@@ -3,8 +3,6 @@ name: tox
 
 on:
   merge_group:
-    branches:
-      - "main"
   push:
     branches:
       - "main"
@@ -26,8 +24,7 @@ jobs:
       max_python: "3.13"
       jobs_producing_coverage: 8
       other_names: |
-        devel
+        devel-pre-py313-milestone:tox -e devel,pre,py313-milestone
         docs
         lint
         pkg
-        py313-milestone

codecov.yml

@@ -1,4 +1,6 @@
+---
 comment: false
 coverage:
   status:
-    patch: true
+    patch: false
+    project: true

tox.ini

@@ -5,6 +5,7 @@ requires =
     tox-uv>=1.20.2
 env_list =
     py
+    pre
     deps
     devel
     docs
@@ -41,8 +42,10 @@ set_env =
     PRE_COMMIT_COLOR = always
     TERM = xterm-256color
     UV_CONSTRAINT = {tox_root}/.config/constraints.txt
-    deps, lint, milestone: PIP_CONSTRAINT = /dev/null
-    deps, lint, milestone: UV_CONSTRAINT = /dev/null
+    deps, lint, milestone, pre: PIP_CONSTRAINT = /dev/null
+    deps, lint, milestone, pre: UV_CONSTRAINT = /dev/null
+    pre: UV_PIP_OPTS = "--pre --upgrade"
+    pre: UV_PRERELEASE = allow
 commands_pre =
     py: sh -c "rm -f {env_dir}/.coverage* coverage.xml 2>/dev/null || true"
     py: coverage erase