fix: remove sccache from release workflow for reliability

sccache depends on GitHub Actions cache service which has been
experiencing outages. Removing it from release builds to ensure
reliable releases.

sccache can still be used in CI for development builds where
failures are less critical.

Author: bumahkib7

.github/workflows/release.yml

@@ -44,22 +44,6 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Setup sccache
-        if: matrix.use_cross != true
-        uses: mozilla-actions/[email protected]
-        continue-on-error: true
-
-      - name: Configure sccache env
-        if: matrix.use_cross != true
-        run: |
-          if command -v sccache &> /dev/null && sccache --version &> /dev/null; then
-            echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
-            echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
-          else
-            echo "sccache not available, building without cache"
-          fi
-        shell: bash
-
       - name: Cache cargo registry
         uses: actions/cache@v4
         with:
@@ -80,17 +64,13 @@ jobs:
 
       - name: Install cross
         if: matrix.use_cross == true
-        env:
-          RUSTC_WRAPPER: ""
         run: |
           if [ ! -f ~/.cargo/bin/cross ]; then
             cargo install cross --git https://github.com/cross-rs/cross
           fi
 
       - name: Build (cross)
         if: matrix.use_cross == true
-        env:
-          RUSTC_WRAPPER: ""
         run: cross build --release --target ${{ matrix.target }}
 
       - name: Install mold linker (Linux)
@@ -152,8 +132,6 @@ jobs:
     name: Publish to crates.io
     needs: release
     runs-on: ubuntu-latest
-    env:
-      RUSTC_WRAPPER: ""
     steps:
       - uses: actions/checkout@v4
 
@@ -173,7 +151,6 @@ jobs:
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
         run: |
-          # Publish in dependency order with minimal delays
           cargo publish -p rma-common --allow-dirty || true
           sleep 15
           cargo publish -p rma-parser --allow-dirty || true
@@ -242,5 +219,3 @@ jobs:
           tags: |
             ghcr.io/bumahkib7/rma:${{ steps.version.outputs.version }}
             ghcr.io/bumahkib7/rma:latest
-          cache-from: type=gha
-          cache-to: type=gha,mode=max