Revert "add tf 2.12 to quality-check matrix"

This reverts commit a647edb.

.github/workflows/quality-check.yaml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
           python-version: ["3.7", "3.8", "3.9", "3.10"]
-          tensorflow: ["~=2.5.0", "~=2.6.0", "~=2.7.0", "~=2.8.0", "~=2.9.0", "~=2.10.0", "~=2.11.0", "~=2.12.0"]
+          tensorflow: ["~=2.5.0", "~=2.6.0", "~=2.7.0", "~=2.8.0", "~=2.9.0", "~=2.10.0", "~=2.11.0"]
           include:
             - tensorflow: "~=2.5.0"
               keras: "~=2.6.0"
@@ -45,9 +45,6 @@ jobs:
             - tensorflow: "~=2.11.0"
               keras: "~=2.11.0"
               tensorflow-probability: "~=0.19.0"
-            - tensorflow: "~=2.12.0"
-              keras: "~=2.12.0"
-              tensorflow-probability: "~=0.19.0"  # sic
           exclude:
             # These older versions of TensorFlow don't work with Python 3.10:
             - python-version: "3.10"