ENH: Fix workflow actions warnings linked to Node.js

Fix workflow actions warnings linked to `Node.js`: bump miscellaneous
GitHub actions versions in workflows.

Fixes:
```
Node.js 12 actions are deprecated. For more information see:
https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.
Please update the following actions to use Node.js 16:
actions/checkout@v2, actions/setup-python@v1
```

and
```
The `set-output` command is deprecated and will be disabled soon.
Please upgrade to using Environment Files.
For more information see:
https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/
```

raised for example in:
https://github.com/InsightSoftwareConsortium/ITKSoftwareGuide/actions/runs/3884893720

.github/workflows/build.yml

@@ -12,10 +12,10 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: 3.9