Add tests against multiple MongoDB versions (#7161)

* added tests environment with mongodb 4.4.3

* added CI test for mongodb 4.4.3

* added CI tests for MongoDB versions 4.0, 4.2

* improved flaky test (seems to max out the limit of simultaneous connections)

* added spec helpers to run tests only for specific MongoDB version

* addedn npm scripts to run tests against relevant mongodb versions

* added spec helper function to exclude specific mongodb version

* added test for changed aggregate query planner results

* fixed regex test with incorrect regex syntax

* fixed test where query has select no keys (empty array)

* added changelog entry and ordered list

* fixed test that tried to simultaneously delete and build index on same collection

* added MongoDB compatibility table to readme

* updated default local tests to use MongoDB 4.4.3

* added MongoDB badges for new versions to README

* fixed typo in readme

* added new test helper filter to contribution guide

* fixed incorrect storage engine for mongodb 4.4

* changed CI to test MongoDB 3.6. with mmapv1 storage engine and standalone

* improved CI test description

* added CI self check for new MongoDB versions

* fixed CI

* removed CI

* added CI

* added throwing error if any of the checks failed

* added github action connector

* improved error message

* improved error messages

* improved error message

* updated CI environment to MongoDB 3.6.22

* improved error messages

* update CI env name

* updated CI env name

* improved error message

* removed patch versions from CI env description

* improved status message

* removed version range from core lib

* added explicit mongodb version to redis test and node 12 test

* bumped Node 12 test to 12.20.1 (version currently recommended by AWS Elastic Beanstalk)

package-lock.json

@@ -4,6 +4,12 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@actions/core": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA==",
+      "dev": true
+    },
     "@apollo/client": {
       "version": "3.2.5",
       "resolved": "https://registry.npmjs.org/@apollo/client/-/client-3.2.5.tgz",
@@ -9660,8 +9666,8 @@
       }
     },
     "mongodb-runner": {
-      "version": "github:mongodb-js/runner#dfb9a520147de6e2537f7c1c21a5e7005d1905f8",
-      "from": "github:mongodb-js/runner",
+      "version": "4.8.1",
+      "resolved": "github:mongodb-js/runner#f4e920d0ae8a2c1de2148343e062d3744b434fb8",
       "dev": true,
       "requires": {
         "async": "^3.1.0",