chore: upgrade dependencies and require node 10

BREAKING CHANGE: Requires Node.js 10 or above

package.json

@@ -54,10 +54,13 @@
     "typescript": "^4.0.3"
   },
   "dependencies": {
-    "mem": "^6.1.0",
+    "mem": "^8.1.1",
     "pkg-up": "^3.1.0",
     "write-file-atomic": "^3.0.3"
   },
+  "engines": {
+    "node": ">=10"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/cassels/dotpref.git"

yarn.lock

@@ -4289,13 +4289,13 @@ marked@^2.0.0:
   resolved "https://registry.yarnpkg.com/marked/-/marked-2.0.3.tgz#3551c4958c4da36897bda2a16812ef1399c8d6b0"
   integrity sha512-5otztIIcJfPc2qGTN8cVtOJEjNJZ0jwa46INMagrYfk0EvqtRuEHLsEe0LrFS0/q+ZRKT0+kXK7P2T1AN5lWRA==
 
-mem@^6.1.0:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/mem/-/mem-6.1.1.tgz#ea110c2ebc079eca3022e6b08c85a795e77f6318"
-  integrity sha512-Ci6bIfq/UgcxPTYa8dQQ5FY3BzKkT894bwXWXxC/zqs0XgMO2cT20CGkOqda7gZNkmK5VP4x89IGZ6K7hfbn3Q==
+mem@^8.1.1:
+  version "8.1.1"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-8.1.1.tgz#cf118b357c65ab7b7e0817bdf00c8062297c0122"
+  integrity sha512-qFCFUDs7U3b8mBDPyz5EToEKoAkgCzqquIgi9nkkR9bixxOVOre+09lbuH7+9Kn2NFpm56M3GUWVbU2hQgdACA==
   dependencies:
     map-age-cleaner "^0.1.3"
-    mimic-fn "^3.0.0"
+    mimic-fn "^3.1.0"
 
 meow@^8.0.0:
   version "8.1.2"
@@ -4373,10 +4373,10 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-mimic-fn@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-3.0.0.tgz#76044cfa8818bbf6999c5c9acadf2d3649b14b4b"
-  integrity sha512-PiVO95TKvhiwgSwg1IdLYlCTdul38yZxZMIcnDSFIBUm4BNZha2qpQ4GpJ++15bHoKDtrW2D69lMfFwdFYtNZQ==
+mimic-fn@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-3.1.0.tgz#65755145bbf3e36954b949c16450427451d5ca74"
+  integrity sha512-Ysbi9uYW9hFyfrThdDEQuykN4Ey6BuwPD2kpI5ES/nFTDn/98yxYNLZJcgUAKPT/mcrLLKaGzJR9YVxJrIdASQ==
 
 min-indent@^1.0.0:
   version "1.0.1"