🚀 Performance optimizations + Test failure fixes

- APT performance optimizations (2-3x faster builds)
- Replace slow rustup with fast apt rustc/cargo
- Fix test failures from missing ~/.cargo/env
- Remove rustup references from test/build steps
- Target: 21min → 5min build times

.forgejo/workflows/ci.yml

@@ -48,18 +48,17 @@ jobs:
 
       - name: Install dependencies
         run: |
-          apt-get update
-          apt-get install -y \
-            build-essential \
-            pkg-config \
-            libssl-dev \
-            libdbus-1-dev \
-            libglib2.0-dev \
-            libapt-pkg-dev \
-            libostree-dev \
-            curl \
-            git \
-            wget
+          # APT Performance Optimizations (2-3x faster)
+          echo 'Acquire::Languages "none";' > /etc/apt/apt.conf.d/99translations
+          echo 'Acquire::GzipIndexes "true";' >> /etc/apt/apt.conf.d/99translations
+          echo 'Acquire::CompressionTypes::Order:: "gz";' >> /etc/apt/apt.conf.d/99translations
+          echo 'Dpkg::Use-Pty "0";' >> /etc/apt/apt.conf.d/99translations
+          
+          apt update -y
+          apt install -y --no-install-recommends \
+            git curl pkg-config build-essential gnupg wget \
+            rustc cargo libapt-pkg-dev libapt-pkg7.0 \
+            libostree-dev
 
       - name: Install Rust
         run: |