Fix #2922 (#2998)

* update katex to 0.10.1

* Update snapshot for markdown-test

yarn.lock

@@ -1961,6 +1961,11 @@ commander@2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.6.0.tgz#9df7e52fb2a0cb0fb89058ee80c3104225f37e1d"
 
+commander@^2.19.0:
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
+  integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
+
 commander@^2.8.1, commander@^2.9.0:
   version "2.15.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
@@ -5736,11 +5741,12 @@ jsx-ast-utils@^2.0.1:
   dependencies:
     array-includes "^3.0.3"
 
-katex@^0.9.0:
-  version "0.9.0"
-  resolved "https://registry.yarnpkg.com/katex/-/katex-0.9.0.tgz#26a7d082c21d53725422d2d71da9b2d8455fbd4a"
+katex@^0.10.1:
+  version "0.10.2"
+  resolved "https://registry.yarnpkg.com/katex/-/katex-0.10.2.tgz#39973edbb65eda5b6f9e7f41648781e557dd4932"
+  integrity sha512-cQOmyIRoMloCoSIOZ1+gEwsksdJZ1EW4SWm3QzxSza/QsnZr6D4U1V9S4q+B/OLm2OQ8TCBecQ8MaIfnScI7cw==
   dependencies:
-    match-at "^0.1.1"
+    commander "^2.19.0"
 
 keyboardevent-from-electron-accelerator@^1.1.0:
   version "1.1.0"
@@ -6197,10 +6203,6 @@ markdownlint@^0.11.0:
   dependencies:
     markdown-it "8.4.2"
 
-match-at@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/match-at/-/match-at-0.1.1.tgz#25d040d291777704d5e6556bbb79230ec2de0540"
-
 matcher@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/matcher/-/matcher-1.1.1.tgz#51d8301e138f840982b338b116bb0c09af62c1c2"