Fix CI pipeline compatibility issues

- Downgrade Cargo.lock to version 3 for older CI Cargo compatibility
- Add YARA library installation to all Linux CI jobs
- Install libyara-dev before build, test, and clippy steps

.github/workflows/ci.yml

@@ -33,6 +33,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - name: Install YARA
+      run: sudo apt-get update && sudo apt-get install -y libyara-dev
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
@@ -60,6 +63,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - name: Install YARA
+      run: sudo apt-get update && sudo apt-get install -y libyara-dev
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
 
@@ -119,6 +125,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - name: Install YARA
+      run: sudo apt-get update && sudo apt-get install -y libyara-dev
+
     - name: Run cargo-deny
       uses: EmbarkStudios/cargo-deny-action@v1
       with:

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "aho-corasick"