Bump to 3.1.0-beta.4 to build containers (#384)

* Update ssh key fingerprints

* really fix ssh keys

* Bump versions to 3.1.0-beta.3

* Fix NODE_RED_VERSION and allow for RESPIN

* bump to 3.1.0-beta.4

Author: hardillb

docker-custom/package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-docker",
-    "version": "3.1.0-beta.3",
+    "version": "3.1.0-beta.4",
     "description": "Low-code programming for event-driven applications",
     "homepage": "http://nodered.org",
     "license": "Apache-2.0",
@@ -29,7 +29,7 @@
         }
     ],
     "dependencies": {
-        "node-red": "3.1.0-beta.3"
+        "node-red": "3.1.0-beta.4"
     },
     "engines": {
         "node": ">=14"

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-docker",
-    "version": "3.1.0-beta.3",
+    "version": "3.1.0-beta.4",
     "description": "Low-code programming for event-driven applications",
     "homepage": "http://nodered.org",
     "license": "Apache-2.0",
@@ -29,7 +29,7 @@
         }
     ],
     "dependencies": {
-        "node-red": "3.1.0-beta.3"
+        "node-red": "3.1.0-beta.4"
     },
     "engines": {
         "node": ">=14"