New release automations (#26495)

.github/release-drafter.yml

@@ -0,0 +1,3 @@
+_extends: matrix-org/matrix-react-sdk
+version-resolver:
+    default: patch

.github/workflows/release-drafter.yml

@@ -0,0 +1,14 @@
+name: Release Drafter
+on:
+    push:
+        branches: [staging]
+concurrency: ${{ github.workflow }}
+jobs:
+    draft:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: release-drafter/release-drafter@dabcf3767562210392d862070ed2ef6434b9bc6f # v5
+              env:
+                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              with:
+                  disable-autolabeler: true

.github/workflows/release-gitflow.yml

@@ -0,0 +1,14 @@
+# Gitflow merge-back master->develop
+name: Merge master -> develop
+on:
+    push:
+        branches: [master]
+concurrency: ${{ github.repository }}-${{ github.workflow }}
+jobs:
+    merge:
+        uses: matrix-org/matrix-js-sdk/.github/workflows/release-gitflow.yml@develop
+        secrets: inherit
+        with:
+            dependencies: |
+                matrix-react-sdk
+                matrix-js-sdk

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: Release Process
+on:
+    workflow_dispatch:
+        inputs:
+            mode:
+                description: What type of release
+                required: true
+                default: rc
+                type: choice
+                options:
+                    - rc
+                    - final
+            matrix-react-sdk:
+                description: React SDK version to use (current|X.Y.Z)
+                required: false
+                default: current
+                type: string
+            matrix-js-sdk:
+                description: JS SDK version to use (current|X.Y.Z)
+                required: false
+                default: current
+                type: string
+concurrency: ${{ github.workflow }}
+jobs:
+    release:
+        uses: matrix-org/matrix-js-sdk/.github/workflows/release-action.yml@develop
+        secrets: inherit
+        with:
+            final: ${{ inputs.mode == 'final' }}
+            include-changes: matrix-react-sdk
+            gpg-fingerprint: ${{ vars.GPG_FINGERPRINT }}
+            asset-path: dist/*.tar.gz
+            expected-asset-count: 3
+            dependencies: |
+                matrix-react-sdk=${{ inputs.matrix-react-sdk }}
+                matrix-js-sdk=${{ inputs.matrix-js-sdk }}