(attempt) to automate snap release

.github/workflows/snap-release.yml

@@ -0,0 +1,34 @@
+name: Release Docker
+
+on:
+  release:
+    types: [released]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+    buildSnap:
+    environment: snap
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Get the version
+        id: get_version
+        run: echo ::set-output name=VERSION::${GITHUB_REF##*/}
+
+      - name: Update snapcraft version file
+        env:
+          VERSION: ${{ steps.get_version.outputs.VERSION }}
+        uses: mikefarah/yq@master
+        with:
+          cmd: yq -i '.version = strenv(VERSION)' snap/snapcraft.yaml
+      - uses: snapcore/action-build@v1
+        id: build
+      - uses: snapcore/action-publish@v1
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+        with:
+          snap: ${{ steps.build.outputs.snap }}
+          release: edge

release_instructions.txt

@@ -1,5 +1,4 @@
 - update release notes
-- increment version in version.go
 - increment version in snapcraft.yaml
 - make sure local build passes
 - run ./scripts/copy-docs.sh (and commit the changed in the yq-book branch)

snap/snapcraft.yaml

@@ -1,5 +1,5 @@
 name: yq
-version: '4.30.1'
+version: ''
 summary: A lightweight and portable command-line YAML processor
 description: |
   The aim of the project is to be the jq or sed of yaml files.