fix: Upgrade lti-consumer-xblock to v2.7.1

for the lti_config migration fix.

requirements/edx/base.txt

@@ -145,7 +145,7 @@ laboratory==1.0.2         # via -r requirements/edx/base.in
 lazy==1.4                 # via -r requirements/edx/paver.txt, acid-xblock, lti-consumer-xblock, ora2
 libsass==0.10.0           # via -r requirements/edx/paver.txt, ora2
 loremipsum==1.0.5         # via ora2
-lti-consumer-xblock==2.7.0  # via -r requirements/edx/base.in
+lti-consumer-xblock==2.7.1  # via -r requirements/edx/base.in
 lxml==4.5.0               # via -c requirements/edx/../constraints.txt, -r requirements/edx/../edx-sandbox/shared.txt, capa, edxval, lti-consumer-xblock, ora2, safe-lxml, xblock, xmlsec
 mailsnake==1.6.4          # via -r requirements/edx/base.in
 mako==1.1.4               # via -r requirements/edx/base.in, acid-xblock, lti-consumer-xblock, xblock-google-drive, xblock-utils

requirements/edx/development.txt

@@ -174,7 +174,7 @@ lazy-object-proxy==1.5.2  # via -r requirements/edx/testing.txt, astroid
 lazy==1.4                 # via -r requirements/edx/testing.txt, acid-xblock, bok-choy, lti-consumer-xblock, ora2
 libsass==0.10.0           # via -r requirements/edx/testing.txt, ora2
 loremipsum==1.0.5         # via -r requirements/edx/testing.txt, ora2
-lti-consumer-xblock==2.7.0  # via -r requirements/edx/testing.txt
+lti-consumer-xblock==2.7.1  # via -r requirements/edx/testing.txt
 lxml==4.5.0               # via -c requirements/edx/../constraints.txt, -r requirements/edx/testing.txt, capa, edxval, lti-consumer-xblock, ora2, pyquery, safe-lxml, xblock, xmlsec
 m2r==0.2.1                # via sphinxcontrib-openapi
 mailsnake==1.6.4          # via -r requirements/edx/testing.txt

requirements/edx/testing.txt

@@ -168,7 +168,7 @@ lazy-object-proxy==1.5.2  # via astroid
 lazy==1.4                 # via -r requirements/edx/base.txt, acid-xblock, bok-choy, lti-consumer-xblock, ora2
 libsass==0.10.0           # via -r requirements/edx/base.txt, ora2
 loremipsum==1.0.5         # via -r requirements/edx/base.txt, ora2
-lti-consumer-xblock==2.7.0  # via -r requirements/edx/base.txt
+lti-consumer-xblock==2.7.1  # via -r requirements/edx/base.txt
 lxml==4.5.0               # via -c requirements/edx/../constraints.txt, -r requirements/edx/base.txt, capa, edxval, lti-consumer-xblock, ora2, pyquery, safe-lxml, xblock, xmlsec
 mailsnake==1.6.4          # via -r requirements/edx/base.txt
 mako==1.1.4               # via -r requirements/edx/base.txt, acid-xblock, lti-consumer-xblock, xblock-google-drive, xblock-utils