Revert "build: pin test requirements for deterministic CI"

This reverts commit 5643cec.

Signed-off-by: Lukas Puehringer <lukas.puehringer@nyu.edu>

Author: Lukas Puehringer

requirements-test-pinned.txt

@@ -20,7 +20,7 @@ commands =
     python3 -m coverage report -m --fail-under 97
 
 deps =
-    -r{toxinidir}/requirements-test-pinned.txt
+    -r{toxinidir}/requirements-test.txt
     # Install TUF in editable mode, instead of tox default virtual environment
     # installation (see `skipsdist`), to get relative paths in coverage reports
     --editable {toxinidir}