Bump dev dependencies

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hebcal/core",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "author": "Michael J. Radwin (https://github.com/mjradwin)",
   "contributors": [
     "Eyal Schachter (https://github.com/Scimonster)",
@@ -67,19 +67,19 @@
     "@babel/core": "^7.10.3",
     "@babel/preset-env": "^7.10.3",
     "@babel/register": "^7.10.3",
-    "@rollup/plugin-babel": "^5.0.4",
-    "@rollup/plugin-commonjs": "^12.0.0",
+    "@rollup/plugin-babel": "^5.1.0",
+    "@rollup/plugin-commonjs": "^13.0.1",
     "@rollup/plugin-json": "^4.1.0",
-    "@rollup/plugin-node-resolve": "^8.1.0",
-    "ava": "^3.9.0",
+    "@rollup/plugin-node-resolve": "^8.4.0",
+    "ava": "^3.10.1",
     "core-js": "^3.6.5",
-    "eslint": "^7.3.1",
+    "eslint": "^7.4.0",
     "eslint-config-google": "^0.14.0",
     "gematriya": "^2.0.0",
     "jsdoc": "^3.6.4",
-    "jsdoc-to-markdown": "^5.0.3",
+    "jsdoc-to-markdown": "^6.0.1",
     "nyc": "^15.1.0",
-    "rollup": "^1.29.0",
+    "rollup": "^2.21.0",
     "rollup-plugin-terser": "^6.1.0",
     "suncalc": "^1.8.0",
     "tsd-jsdoc": "^2.5.0",