Add custom action for timechain dependencies

.github/actions/rust-init/action.yaml

@@ -0,0 +1,14 @@
+name: "Init Rust"
+description: "Install Rust version with Timechain dependencies"
+
+inputs: {}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install dependencies
+      shell: bash
+      run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
+    - name: Install rust toolchain
+      shell: bash
+      run : rustup show

.github/workflows/build-docs.yaml

@@ -16,12 +16,10 @@ jobs:
   build-docs:
     runs-on: ubuntu-latest
     steps:
-    - name: Install dependencies
-      run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
+    - name: Initialize Rust
+      uses: ./.github/actions/rust-init
     - name: Checkout sources
       uses: actions/checkout@v4
-    - name: Install rust toolchain
-      run : rustup show
     - name: Build docs
       run: cargo doc --no-deps --document-private-items --workspace
     - name: Upload docs

.github/workflows/deploy-docs.yaml

@@ -17,12 +17,10 @@ jobs:
     env:
       DOCS_HIDEOUT: an8ohgahmoot6ro8ieReib9micau0Oow
     steps:
-      - name: Install dependencies
-        run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
+      - name: Initialize Rust
+        uses: ./.github/actions/rust-init
       - name: Checkout sources
         uses: actions/checkout@v4
-      - name: Install rust toolchain
-        run: rustup show
       - name: Build docs
         run: cargo doc --no-deps --document-private-items --workspace --target-dir target/docs/$DOCS_HIDEOUT/
       - name: Copy configurations