chore(deps): update dependency typeguard to v4 (#273)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements.txt

@@ -8,5 +8,5 @@ tensorflow-probability==0.19.0
 easydict==1.10
 pmlb==1.0.*
 tqdm<5.0
-typeguard==2.13.*
+typeguard==4.0.*
 pytest==6.2.*