Add full relative path back to requirements files

Dependabot security updates appear to run from the directory in
which the requirements files are stored, not the root directory
of the repository (like regular dependabot updates). See issue:
dependabot/dependabot-core#9490

requirements/dev-requirements.txt

@@ -8,7 +8,7 @@ alabaster==0.7.13
     # via sphinx
 asgiref==3.7.2
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   django
 asttokens==2.4.1
     # via stack-data
@@ -18,19 +18,19 @@ backcall==0.2.0
     # via ipython
 backports-zoneinfo==0.2.1
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   django
 certifi==2023.11.17
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   requests
 cfgv==3.4.0
     # via pre-commit
 charset-normalizer==3.3.2
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   requests
 colorama==0.4.6
     # via sphinx-autobuild
@@ -42,7 +42,7 @@ distlib==0.3.8
     # via virtualenv
 django==4.2.13
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   django-debug-toolbar
     #   django-stubs
     #   django-stubs-ext
@@ -62,14 +62,14 @@ identify==2.5.34
     # via pre-commit
 idna==3.3
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   requests
 imagesize==1.4.1
     # via sphinx
 importlib-metadata==7.0.0
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   sphinx
 ipdb==0.13.13
     # via -r dev-requirements.in
@@ -95,8 +95,8 @@ nodeenv==1.8.0
     # via pre-commit
 packaging==21.3
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   sphinx
 parso==0.8.3
     # via jedi
@@ -120,28 +120,28 @@ pygments==2.17.2
     #   sphinx
 pyparsing==3.1.1
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   packaging
 pytz==2023.3.post1
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   babel
 pyyaml==6.0.1
     # via
-    #   -c test-requirements.txt
+    #   -c requirements/test-requirements.txt
     #   pre-commit
 requests==2.31.0
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   sphinx
 ruff==0.4.8
     # via -r dev-requirements.in
 six==1.16.0
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   asttokens
     #   livereload
 snowballstemmer==2.2.0
@@ -166,15 +166,15 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 sqlparse==0.5.0
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   django
     #   django-debug-toolbar
 stack-data==0.6.3
     # via ipython
 tomli==2.0.1
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   django-stubs
     #   ipdb
     #   mypy
@@ -192,17 +192,17 @@ types-requests==2.32.0.20240602
     # via -r dev-requirements.in
 typing-extensions==4.8.0
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   asgiref
     #   django-stubs
     #   django-stubs-ext
     #   ipython
     #   mypy
 urllib3==2.1.0
     # via
-    #   -c requirements.txt
-    #   -c test-requirements.txt
+    #   -c requirements/requirements.txt
+    #   -c requirements/test-requirements.txt
     #   requests
     #   types-requests
 virtualenv==20.25.1
@@ -213,7 +213,7 @@ werkzeug==3.0.3
     # via -r dev-requirements.in
 zipp==3.17.0
     # via
-    #   -c requirements.txt
+    #   -c requirements/requirements.txt
     #   importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file: