Bump up the versions of our plugins

- data collection: https://github.com/e-mission/e-mission-data-collection/releases/tag/v1.7.6
- unified logger: https://github.com/e-mission/cordova-unified-logger/releases/tag/v1.3.6
- server sync: https://github.com/e-mission/cordova-server-sync/releases/tag/v1.3.1

package.cordovabuild.json

@@ -71,12 +71,12 @@
     "cordova-plugin-app-version": "0.1.14",
     "cordova-plugin-customurlscheme": "5.0.2",
     "cordova-plugin-device": "2.1.0",
-    "cordova-plugin-em-datacollection": "git+https://github.com/e-mission/e-mission-data-collection.git#v1.7.5",
+    "cordova-plugin-em-datacollection": "git+https://github.com/e-mission/e-mission-data-collection.git#v1.7.6",
     "cordova-plugin-em-opcodeauth": "git+https://github.com/e-mission/cordova-jwt-auth.git#v1.7.0",
     "cordova-plugin-em-server-communication": "git+https://github.com/e-mission/cordova-server-communication.git#v1.2.5",
-    "cordova-plugin-em-serversync": "git+https://github.com/e-mission/cordova-server-sync.git#v1.3.0",
+    "cordova-plugin-em-serversync": "git+https://github.com/e-mission/cordova-server-sync.git#v1.3.1",
     "cordova-plugin-em-settings": "git+https://github.com/e-mission/cordova-connection-settings.git#v1.2.3",
-    "cordova-plugin-em-unifiedlogger": "git+https://github.com/e-mission/cordova-unified-logger.git#v1.3.5",
+    "cordova-plugin-em-unifiedlogger": "git+https://github.com/e-mission/cordova-unified-logger.git#v1.3.6",
     "cordova-plugin-em-usercache": "git+https://github.com/e-mission/cordova-usercache.git#v1.1.5",
     "cordova-plugin-email-composer": "git+https://github.com/katzer/cordova-plugin-email-composer.git#0.10.1",
     "cordova-plugin-file": "7.0.0",