deps: removed pinned deps in favor of moving them back into the requirements.txt file itself

Makefile

@@ -47,7 +47,7 b' sdist:'
 .PHONY: dev-env
 ## Build sdist
 dev-env:
-	pip install -r requirements.txt -r requirements_pinned.txt -r requirements_debug.txt -r requirements_test.txt
+	pip install -r requirements.txt -r requirements_debug.txt -r requirements_test.txt
 	pip install -e .
 
 # Default command on calling make

requirements.txt

@@ -32,6 +32,26 b' zope.interface==5.5.2'
 gunicorn==20.1.0
 waitress==2.1.2
 
+# contains not directly required libraries we want to pin the version.
+
+atomicwrites==1.4.1
+attrs==22.2.0
+contextlib2==21.6.0
+cffi==1.15.1
+hupper==1.11
+importlib-metadata==6.0.0
+packaging==23.0
+pathlib2==2.3.7.post1
+pygments==2.14.0
+pyparsing==3.0.9
+psutil==5.9.4
+pluggy==1.0.0
+scandir==1.10.0
+setproctitle==1.3.2
+venusian==3.0.0
+wcwidth==0.2.6
+toml==0.10.2
+
 ## test related requirements
 -r requirements_test.txt