Remove Node 8 and 10 from CI job

.github/workflows/nodejs.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x]
+        node-version: [12.x]
 
     steps:
     - uses: actions/checkout@v1

package-lock.json

@@ -4638,7 +4638,7 @@
     },
     "fs-extra": {
       "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "resolved": "https://nexus.soma.salesforce.com/nexus/content/groups/npm-all/fs-extra/-/fs-extra-8.1.0.tgz",
       "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
       "requires": {
         "graceful-fs": "^4.2.0",
@@ -4648,7 +4648,7 @@
       "dependencies": {
         "jsonfile": {
           "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+          "resolved": "https://nexus.soma.salesforce.com/nexus/content/groups/npm-all/jsonfile/-/jsonfile-4.0.0.tgz",
           "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
           "requires": {
             "graceful-fs": "^4.1.6"
@@ -7661,7 +7661,7 @@
     },
     "jsonfile": {
       "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-5.0.0.tgz",
+      "resolved": "https://nexus.soma.salesforce.com/nexus/content/groups/npm-all/jsonfile/-/jsonfile-5.0.0.tgz",
       "integrity": "sha512-NQRZ5CRo74MhMMC3/3r5g2k4fjodJ/wh8MxjFbCViWKFjxrnudWSY5vomh+23ZaXzAS7J3fBZIR2dV6WbmfM0w==",
       "requires": {
         "graceful-fs": "^4.1.6",
@@ -10967,7 +10967,7 @@
     },
     "universalify": {
       "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "resolved": "https://nexus.soma.salesforce.com/nexus/content/groups/npm-all/universalify/-/universalify-0.1.2.tgz",
       "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
     },
     "unquote": {