Feature/dependabot artifact 4 (#83)

* Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Bump actions/download-artifact from 3 to 4

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

---------

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

.github/workflows/build_and_test.yml

@@ -73,7 +73,7 @@ jobs:
       shell: bash
       run: |
         ./.github/workflows/build-test nomypy
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: github.event_name == 'release' || contains(github.ref, 'refs/heads/wheel')
       with:
         name: artefacts
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: Download all wheels
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         path: wheelhouse
     - name: Put them all in the dist folder
@@ -123,7 +123,7 @@ jobs:
       with:
         python-version: '3.10'
     - name: Download all wheels
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         path: wheelhouse
     - name: Install pip, wheel

.github/workflows/docs.yml

@@ -31,7 +31,7 @@ jobs:
         cd .github/workflows/docs
         mkdir extensions
         ./build-docs -d ${GITHUB_WORKSPACE}/.github/workflows/docs/extensions
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: pytket-extension-docs
         path: .github/workflows/docs/extensions/