chore: update changelog for future namespace release; add mage proto lint check

.github/workflows/lint.yml

@@ -76,4 +76,24 @@ jobs:
         run: go mod tidy
 
       - name: Ensure clean git state.
-        run: git diff-index --quiet HEAD -- || (echo "Please run go mod tidy." && exit 1)
+        run: git diff-index --quiet HEAD -- || (echo "Please run 'go mod tidy' and commit changes." && exit 1)
+
+  grpc-gen:
+    name: "Generate GRPC"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+          check-latest: true
+          cache: true
+
+      - uses: magefile/mage-action@v2
+        with:
+          version: latest
+          args: proto
+
+      - name: Ensure clean git state.
+        run: git diff-index --quiet HEAD -- || (echo "Please run 'mage proto' and commit changes." && exit 1)

CHANGELOG.md

@@ -3,6 +3,18 @@
 This format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+- Support for 'namespacing' / multi-environments. All types can now belong to a namespace allowing you to seperate your flags/segments/etc.
+
+### Changed
+
+- All existing objects have been moved to the 'default' namespace to be fully backward compatible.
+- Import/Export have been updated to be 'namespace-aware'
+- Dependency updates
+
 ## [v1.19.3](https://github.com/flipt-io/flipt/releases/tag/v1.19.3) - 2023-03-22
 
 ### Changed