Bump pyyaml from 5.3.1 to 5.4 in /.requirements

.requirements/all.txt

@@ -191,7 +191,7 @@ python-dateutil==2.8.1
     # via jupyter-client
 pytz==2020.1
     # via babel
-pyyaml==5.3.1
+pyyaml==5.4
     # via pre-commit
 pyzmq==19.0.2
     # via jupyter-client

.requirements/dev.txt

@@ -4,31 +4,64 @@
 #
 #    pip-compile ./.requirements/dev.in
 #
-appdirs==1.4.4            # via black, virtualenv
-black==20.8b1             # via -r ./.requirements/dev.in
-cfgv==3.2.0               # via pre-commit
-click==7.1.2              # via black, pip-tools
-darglint==1.5.5           # via -r ./.requirements/dev.in
-distlib==0.3.1            # via virtualenv
-filelock==3.0.12          # via virtualenv
-flake8==3.8.4             # via -r ./.requirements/dev.in
-identify==1.5.6           # via pre-commit
-isort==5.6.4              # via -r ./.requirements/dev.in
-mccabe==0.6.1             # via flake8
-mypy-extensions==0.4.3    # via black
-nodeenv==1.5.0            # via pre-commit
-pathspec==0.8.0           # via black
-pip-tools==5.3.1          # via -r ./.requirements/dev.in
-pre-commit==2.7.1         # via -r ./.requirements/dev.in
-pycodestyle==2.6.0        # via flake8
-pyflakes==2.2.0           # via flake8
-pyyaml==5.3.1             # via pre-commit
-regex==2020.10.15         # via black
-six==1.15.0               # via pip-tools, virtualenv
-toml==0.10.1              # via black, pre-commit
-typed-ast==1.4.1          # via black
-typing-extensions==3.7.4.3  # via black
-virtualenv==20.0.35       # via pre-commit
+appdirs==1.4.4
+    # via
+    #   black
+    #   virtualenv
+black==20.8b1
+    # via -r dev.in
+cfgv==3.2.0
+    # via pre-commit
+click==7.1.2
+    # via
+    #   black
+    #   pip-tools
+darglint==1.5.5
+    # via -r dev.in
+distlib==0.3.1
+    # via virtualenv
+filelock==3.0.12
+    # via virtualenv
+flake8==3.8.4
+    # via -r dev.in
+identify==1.5.6
+    # via pre-commit
+isort==5.6.4
+    # via -r dev.in
+mccabe==0.6.1
+    # via flake8
+mypy-extensions==0.4.3
+    # via black
+nodeenv==1.5.0
+    # via pre-commit
+pathspec==0.8.0
+    # via black
+pip-tools==5.3.1
+    # via -r dev.in
+pre-commit==2.7.1
+    # via -r dev.in
+pycodestyle==2.6.0
+    # via flake8
+pyflakes==2.2.0
+    # via flake8
+pyyaml==5.4
+    # via pre-commit
+regex==2020.10.15
+    # via black
+six==1.15.0
+    # via
+    #   pip-tools
+    #   virtualenv
+toml==0.10.1
+    # via
+    #   black
+    #   pre-commit
+typed-ast==1.4.1
+    # via black
+typing-extensions==3.7.4.3
+    # via black
+virtualenv==20.0.35
+    # via pre-commit
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip