ci(checks): configure sccache before mise install

Author: pimlock

.github/workflows/branch-checks.yml

@@ -97,12 +97,12 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
-      - name: Install tools
-        run: mise install --locked
-
       - name: Configure GHA sccache backend
         uses: mozilla-actions/sccache-action@9e7fa8a12102821edf02ca5dbea1acd0f89a2696 # v0.0.10
 
+      - name: Install tools
+        run: mise install --locked
+
       - name: Cache Rust target and registry
         uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2
         with: