skip[ci]: wait for sccache in actions (#7237)

Sccache sometimes fails. This ensures we wait for it once

Signed-off-by: Joe Isaacs <joe.isaacs@live.co.uk>

Author: joseph-isaacs

.github/actions/setup-prebuild/action.yml

@@ -30,12 +30,12 @@ runs:
       shell: bash
       run: |
         mkdir -p ~/.config/sccache
-        echo 'server_startup_timeout_ms = 15000' > ~/.config/sccache/config
+        echo 'server_startup_timeout_ms = 60000' > ~/.config/sccache/config
 
     - name: Pre-start sccache server
       if: github.repository == 'vortex-data/vortex' && inputs.enable-sccache == 'true'
       shell: bash
-      run: sccache --start-server &
+      run: sccache --start-server
 
     # Fallback path: full setup for forks
     - name: Full Rust setup

.github/actions/setup-rust/action.yml

@@ -69,7 +69,7 @@ runs:
       shell: bash
       run: |
         mkdir -p ~/.config/sccache
-        echo 'server_startup_timeout_ms = 15000' > ~/.config/sccache/config
+        echo 'server_startup_timeout_ms = 60000' > ~/.config/sccache/config
 
     - name: Rust Compile Cache
       if: inputs.enable-sccache == 'true'
@@ -78,7 +78,7 @@ runs:
     - name: Pre-start sccache server
       if: inputs.enable-sccache == 'true'
       shell: bash
-      run: sccache --start-server &
+      run: sccache --start-server
 
     - name: Install Protoc (for lance-encoding build step)
       if: runner.os != 'Windows'