Revert "bump pyyaml"

This reverts commit 0c29150.

requirements/dev.in

@@ -5,9 +5,6 @@
 # After editing, update requirements/dev.txt by running:
 #     make update-deps
 
-# Make sure any requirements shared with main get the same version.
--c main.txt
-
 click~=8.1
 black==23.3
 coverage[toml]~=7.2

requirements/dev.txt

@@ -1,16 +1,14 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --output-file=requirements/dev.txt requirements/dev.in
 #
 anyio==3.6.2
-    # via
-    #   -c requirements/main.txt
-    #   httpcore
+    # via httpcore
 asn1crypto==1.5.1
     # via scramp
-black==23.3.0
+black==23.3
     # via -r requirements/dev.in
 certifi==2022.12.7
     # via
@@ -20,23 +18,20 @@ cfgv==3.3.1
     # via pre-commit
 click==8.1.3
     # via
-    #   -c requirements/main.txt
     #   -r requirements/dev.in
     #   black
 coverage[toml]==7.2.3
-    # via
-    #   -r requirements/dev.in
-    #   coverage
+    # via -r requirements/dev.in
 distlib==0.3.6
     # via virtualenv
+exceptiongroup==1.1.1
+    # via pytest
 filelock==3.11.0
     # via virtualenv
 flake8==6.0.0
     # via -r requirements/dev.in
 h11==0.14.0
-    # via
-    #   -c requirements/main.txt
-    #   httpcore
+    # via httpcore
 httpcore==0.17.0
     # via httpx
 httpx==0.24.0
@@ -45,7 +40,6 @@ identify==2.5.22
     # via pre-commit
 idna==3.4
     # via
-    #   -c requirements/main.txt
     #   anyio
     #   httpx
 iniconfig==2.0.0
@@ -62,7 +56,6 @@ nodeenv==1.7.0
     # via pre-commit
 packaging==23.1
     # via
-    #   -c requirements/main.txt
     #   black
     #   pytest
 pathspec==0.11.1
@@ -85,28 +78,29 @@ pytest==7.3.0
     # via -r requirements/dev.in
 python-dateutil==2.8.2
     # via pg8000
-pyyaml==6.0.1
-    # via
-    #   -c requirements/main.txt
-    #   pre-commit
+pyyaml==6.0
+    # via pre-commit
 scramp==1.4.4
     # via pg8000
 six==1.16.0
     # via python-dateutil
 sniffio==1.3.0
     # via
-    #   -c requirements/main.txt
     #   anyio
     #   httpcore
     #   httpx
 testing-common-database==2.0.3
     # via testing-postgresql
 testing-postgresql==1.3.0
     # via -r requirements/dev.in
-typing-extensions==4.10.0
+tomli==2.0.1
     # via
-    #   -c requirements/main.txt
+    #   black
+    #   coverage
     #   mypy
+    #   pytest
+typing-extensions==4.5.0
+    # via mypy
 virtualenv==20.21.0
     # via pre-commit
 

requirements/main.txt

@@ -89,7 +89,7 @@ pydantic-core==2.16.3
     # via pydantic
 pyerfa==2.0.0.3
     # via astropy
-pyyaml==6.0.1
+pyyaml==6.0
     # via
     #   astropy
     #   lsst-daf-butler