feat(Taskfile): add release management tasks

- update version file with the new release version
- add new version tag
- push to remote and run goreleaser

Taskfile.yml

@@ -0,0 +1,27 @@
+version: '3'
+
+vars:
+  RELEASE:
+    sh: svu next --strip-prefix
+  VERSIONFILE: version.txt
+  COMMITMSG: "chore: bump version to v{{.RELEASE}}"
+
+tasks:
+  release:tag:
+    cmds:
+      - git tag v{{.RELEASE}}
+
+  release:file:
+    cmds:
+      - echo {{.RELEASE}} >{{.VERSIONFILE}}
+      - git add {{.VERSIONFILE}}
+      - git commit -m "{{.COMMITMSG}}"
+
+  release:push:
+    aliases: [dorelease]
+    cmds:
+      - task: release:file
+      - task: release:tag
+      - git push
+      - git push --tags
+      - goreleaser release