Update snapcraft file [skip ci]

.github/workflows/snapcraft/snap/snapcraft.yaml

 name: gephi
 title: Gephi
 base: core18
-version: 0.9.2
+version: 0.9.3-SNAPSHOT
 summary: The Open Graph Viz Platform
 description: |
   **Gephi is the leading open-source platform for visualizing and manipulating large graphs.**
@@ -12,16 +12,12 @@ description: |
   Example datasets can be found on our wiki: https://github.com/gephi/gephi/wiki/Datasets
 
   Localization is available in English, French, Spanish, Japanese, Russian, Brazilian Portuguese, Chinese, Czech and German.
-issues: https://github.com/gephi/gephi/issues
-source-code: https://github.com/gephi/gephi/
-website: https://gephi.org
+
 license: GPL-3.0
 architectures: [ amd64 ]
 icon: snap/gui/gephi.png
 grade: devel # must be 'stable' to release into candidate/stable channels
-confinement: devmode
-
-
+confinement: strict
 
 parts:
   gephi:
@@ -31,7 +27,8 @@ parts:
       - desktop-glib-only
     plugin: dump
     source:
-      - on amd64: https://github.com/gephi/gephi/releases/download/v0.9.2/gephi-0.9.2-linux.tar.gz
+      - on amd64: https://oss.sonatype.org/service/local/artifact/maven/content?r=snapshots&g=org.gephi&a=gephi&v=0.9.3-SNAPSHOT&c=linux&p=tar.gz
+    source-type: tar
   desktop-glib-only:
     source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
     source-subdir: glib-only
@@ -46,5 +43,6 @@ apps:
     extensions: [gnome-3-28]
     plugs:
       - home
+      - network
       - opengl
     command: bin/gephi
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