fix: pip compile with 3.8

requirements-fmt.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --resolver=backtracking ./requirements-fmt.in
@@ -18,3 +18,5 @@ platformdirs==2.5.4
     # via black
 tomli==2.0.1
     # via black
+typing-extensions==4.4.0
+    # via black

requirements-integration.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --resolver=backtracking ./requirements-integration.in
@@ -266,7 +266,7 @@ wcwidth==0.2.5
     # via prompt-toolkit
 websocket-client==1.4.2
     # via kubernetes
-websockets==10.4
+websockets==7.0
     # via juju
 wsproto==1.2.0
     # via

requirements-lint.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --resolver=backtracking ./requirements-lint.in
@@ -51,6 +51,10 @@ tomli==2.0.1
     #   -r ./requirements-fmt.txt
     #   black
     #   pyproject-flake8
+typing-extensions==4.4.0
+    # via
+    #   -r ./requirements-fmt.txt
+    #   black
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools

requirements-unit.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --resolver=backtracking ./requirements-unit.in

requirements.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --resolver=backtracking ./requirements.in