Update dependency simple-git to v3 [SECURITY]

Author: renovate-bot

backend/package.json

@@ -44,7 +44,7 @@
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
     "rxjs": "6.6.7",
-    "simple-git": "2.38.0",
+    "simple-git": "3.3.0",
     "tmp": "0.2.1",
     "typeorm": "0.2.32",
     "yamljs": "0.3.0"

backend/yarn.lock

@@ -2129,6 +2129,13 @@ debug@^4.1.0, debug@^4.1.1, debug@^4.3.1:
   dependencies:
     ms "2.1.2"
 
+debug@^4.3.3:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
+  dependencies:
+    ms "2.1.2"
+
 decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -5229,14 +5236,14 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
   integrity sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==
 
-simple-git@2.38.0:
-  version "2.38.0"
-  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-2.38.0.tgz#5bc66bec40bce4f8ef950f4966f427799b4dd758"
-  integrity sha512-CORjrfirWMEGbJAxaXDH/PjZVOeATeG2bkafM9DsLVcFkbF9sXQGIIpEI6FeyXpvUsFK69T/pa4+4FKY9TUJMQ==
+simple-git@3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-3.3.0.tgz#91692d576f851be691124781b79872b246d2f92c"
+  integrity sha512-K9qcbbZwPHhk7MLi0k0ekvSFXJIrRoXgHhqMXAFM75qS68vdHTcuzmul1ilKI02F/4lXshVgBoDll2t++JK0PQ==
   dependencies:
     "@kwsites/file-exists" "^1.1.1"
     "@kwsites/promise-deferred" "^1.1.1"
-    debug "^4.3.1"
+    debug "^4.3.3"
 
 sisteransi@^1.0.5:
   version "1.0.5"