It's apk add not install

Author: xrmx

.github/workflows/test-fips.yml

@@ -47,7 +47,7 @@ jobs:
         run: |
           python3 -c 'import _hashlib; assert _hashlib.get_fips_mode() == 1'
       - name: install run_tests.sh requirements
-        run: apk install netcat-openbsd tzdata
+        run: apk add netcat-openbsd tzdata
       - run: |
           python3 -c 'from zoneinfo import ZoneInfo ; assert ZoneInfo("America/Chicago")'
       - name: Run tests