feat(action): add GitHub-Gitea release sync workflow

- Introduces a composite action to synchronize releases from Gitea to GitHub
- Adds support for configurable inputs like repository details and tokens
- Implements steps for fetching and pushing releases via scripts

action.yml

@@ -0,0 +1,55 @@
+name: "Releases Sync Action"
+description: "Synchronizes releases from Gitea to GitHub"
+
+inputs:
+  gitea_token:
+    description: "Gitea API Token"
+    required: false
+  gitea_url:
+    description: "Base URL of the Gitea instance"
+    required: false
+  gitea_owner:
+    description: "Owner of the Gitea repository"
+    required: false
+  gitea_repo:
+    description: "Gitea repository name"
+    required: false
+
+  tag_name:
+    description: "The tag name of the release to be synchronized"
+    required: true
+
+  github_owner:
+    description: "Owner or organization of the GitHub repository"
+    required: true
+  github_repo:
+    description: "GitHub repository name"
+    required: true
+  github_token:
+    description: "GitHub token to push releases"
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Fetch release from Gitea
+      shell: bash
+      run: |
+        ./scripts/fetch-gitea-release.sh
+      env:
+        GITEA_TOKEN: ${{ inputs.gitea_token }}
+        GITEA_URL: ${{ inputs.gitea_url }}
+        GITEA_OWNER: ${{ inputs.gitea_owner }}
+        GITEA_REPO: ${{ inputs.gitea_repo }}
+        TAG: ${{ inputs.tag_name }}
+
+    - name: Push release to GitHub
+      shell: bash
+      run: |
+        TAG_NAME=${{ inputs.tag_name }}
+        export TAG="$TAG_NAME"
+        export WORKDIR="$GT_RSA_RELEASE_DIR"
+        export GITHUB_OWNER="${{ inputs.github_owner }}"
+        export GITHUB_REPO="${{ inputs.github_repo }}"
+        export GITHUB_TOKEN="${{ inputs.github_token }}"
+        ./scripts/upsert-github-release.sh