Bump cffi from 1.15.0 to 1.15.1 in /demo/graphtutorial

dependabot[bot] · web-flow · commit 33a132a19d98 · 2022-07-04T23:27:37.000Z
Bumps [cffi](http://cffi.readthedocs.org) from 1.15.0 to 1.15.1. --- updated-dependencies: - dependency-name: cffi dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/demo/graphtutorial/requirements.txt b/demo/graphtutorial/requirements.txt
@@ -1,7 +1,7 @@
 azure-core==1.24.1
 azure-identity==1.10.0
 certifi==2022.6.15
-cffi==1.15.0
+cffi==1.15.1
 charset-normalizer==2.0.12
 cryptography==37.0.2
 idna==3.3
