Update snap version and tag

Author: github-actions[bot]

snap/snapcraft.yaml

@@ -1,6 +1,6 @@
 name: ghostscript-printer-app
 base: core22
-version: '10.06.0-1'
+version: '10.06.0-2'
 grade: stable
 summary: Ghostscript Printer Application
 description: |
@@ -999,7 +999,7 @@ parts:
     # HPLIP Printer Application (with plugin loaded in-app) should be used.
     source: https://salsa.debian.org/printing-team/foo2zjs.git
     source-type: git
-    source-tag: 'debian/20200505dfsg0-3'
+    source-tag: 'debian/20200505dfsg0-4'
     source-depth: 1
 # ext:updatesnap
 #   version-format: