build(deps): bump tox from 4.30.3 to 4.31.0 in /build in the build-dependencies group (#681)

* build(deps): bump tox in /build in the build-dependencies group

Bumps the build-dependencies group in /build with 1 update: [tox](https://github.com/tox-dev/tox).


Updates `tox` from 4.30.3 to 4.31.0
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.30.3...4.31.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update python versions

Python 3.9 is no longer supported, new tox is not compatible anymore.

* Run repository in 3.14
* Run tests on 3.10 & 3.14
* signer still runs on 3.9, we just don't test it anymore

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jussi Kukkonen <[email protected]>

Author: dependabot[bot]

.github/workflows/actions-lint.yml

@@ -26,7 +26,7 @@ jobs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: '3.13'
+        python-version: '3.14'
         cache: 'pip'
         cache-dependency-path: |
           actions/lint-requirements.txt

.github/workflows/ci.yml

@@ -16,18 +16,18 @@ jobs:
       fail-fast: false
       matrix:
         toxenv: [lint-signer, test-signer]
-        pyversion: ['3.9', '3.13']
+        pyversion: ['3.10', '3.14']
         os: [ubuntu-latest, macos-latest]
-        # Only run repository on 3.13 (dependency pinning is easier with single version)
+        # Only run repository on 3.14 (dependency pinning is easier with single version)
         include:
           - toxenv: lint-repo
-            pyversion: '3.13'
+            pyversion: '3.14'
             os: ubuntu-latest
           - toxenv: test-repo
-            pyversion: '3.13'
+            pyversion: '3.14'
             os: ubuntu-latest
           - toxenv: test-e2e
-            pyversion: '3.13'
+            pyversion: '3.14'
             os: ubuntu-latest
     runs-on: ${{ matrix.os }}
     env:

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
 
       - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
-          python-version: '3.13'
+          python-version: '3.14'
 
       - name: Install build dependencies
         run: python3 -m pip install -c build/build-constraints.txt build

.github/workflows/update-pinned-deps.yml

@@ -25,7 +25,7 @@ jobs:
 
       - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
-          python-version: '3.13'
+          python-version: '3.14'
 
       - name: Install pip-tools
         run: pip install -c build/build-constraints.txt pip-tools

actions/create-signing-events/action.yml

@@ -17,7 +17,7 @@ runs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"

actions/online-sign-targets/action.yml

@@ -77,7 +77,7 @@ runs:
 
     - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"

actions/online-sign/action.yml

@@ -69,7 +69,7 @@ runs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"

actions/signing-event/action.yml

@@ -32,7 +32,7 @@ runs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"

actions/test-repository/action.yml

@@ -50,7 +50,7 @@ runs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"

actions/upload-repository/action.yml

@@ -29,7 +29,7 @@ runs:
 
     - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
-        python-version: "3.13"
+        python-version: "3.14"
 
     - run: |
         echo "::group::Install tuf-on-ci"