Add dependabot support for pip

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "daily"

requirements.txt

@@ -0,0 +1,63 @@
+attrs==19.3.0
+Automat==0.8.0
+blinker==1.4
+certifi==2019.11.28
+chardet==3.0.4
+Click==7.0
+cloud-init==20.1
+colorama==0.4.3
+command-not-found==0.3
+configobj==5.0.6
+constantly==15.1.0
+cryptography==2.8
+dbus-python==1.2.16
+distro==1.4.0
+distro-info===0.23ubuntu1
+entrypoints==0.3
+httplib2==0.14.0
+hyperlink==19.0.0
+idna==2.8
+importlib-metadata==1.5.0
+incremental==16.10.1
+Jinja2==2.10.1
+jsonpatch==1.22
+jsonpointer==2.0
+jsonschema==3.2.0
+keyring==18.0.1
+language-selector==0.1
+launchpadlib==1.10.13
+lazr.restfulclient==0.14.2
+lazr.uri==1.0.3
+MarkupSafe==1.1.0
+more-itertools==4.2.0
+netifaces==0.10.4
+oauthlib==3.1.0
+pyasn1==0.4.2
+pyasn1-modules==0.2.1
+PyGObject==3.36.0
+PyHamcrest==1.9.0
+PyJWT==1.7.1
+pymacaroons==0.13.0
+PyNaCl==1.3.0
+pyOpenSSL==19.0.0
+pyrsistent==0.15.5
+pyserial==3.4
+python-apt==2.0.0
+python-debian===0.1.36ubuntu1
+PyYAML==5.3.1
+requests==2.22.0
+requests-unixsocket==0.2.0
+SecretStorage==2.3.1
+service-identity==18.1.0
+simplejson==3.16.0
+six==1.14.0
+ssh-import-id==5.10
+systemd-python==234
+Twisted==18.9.0
+ubuntu-advantage-tools==20.3
+ufw==0.36
+unattended-upgrades==0.1
+urllib3==1.25.8
+wadllib==1.3.3
+zipp==1.0.0
+zope.interface==4.7.1