Bump codecov from 2.0.15 to 2.0.16

requirements.txt

@@ -4,17 +4,43 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-click==7.0                # via flask
-codecov==2.0.15
+blinker==1.4
+    # via raven
+certifi==2022.6.15
+    # via requests
+charset-normalizer==2.1.0
+    # via requests
+click==7.0
+    # via flask
+codecov==2.0.16
+    # via -r requirements.in
+coverage==6.4.2
+    # via codecov
 flask==1.0.2
+    # via
+    #   -r requirements.in
+    #   raven
 gevent==1.4.0
-greenlet==0.4.15          # via gevent
+    # via -r requirements.in
+greenlet==0.4.15
+    # via gevent
 gunicorn==19.9.0
-itsdangerous==1.1.0       # via flask
-jinja2==2.10.1            # via flask
-markupsafe==1.1.1         # via jinja2
-prometheus_client==0.6.0
-werkzeug==0.15.4          # via flask
+    # via -r requirements.in
+idna==3.3
+    # via requests
+itsdangerous==1.1.0
+    # via flask
+jinja2==2.10.1
+    # via flask
+markupsafe==1.1.1
+    # via jinja2
+prometheus-client==0.6.0
+    # via -r requirements.in
 raven[flask]==6.10.0
-contextlib2==0.5.5        # via raven
-blinker==1.4              # via raven
+    # via -r requirements.in
+requests==2.28.1
+    # via codecov
+urllib3==1.26.10
+    # via requests
+werkzeug==0.15.4
+    # via flask