feat(app): handle rate limits (#6790)

* feat(app): handle rate limits + governor rate limits

* feat(app): add hysteresis to rate limiter

* fix(ci): make sure sccache directory exists if mount fail

* fix(ci): also apply sccache mount fix to daedalus-docker

* fix(ci): sudo

.github/workflows/labrinth-docker.yml

@@ -109,6 +109,10 @@ jobs:
             ~/.cargo/bin
           key: ${{ runner.os }}-${{ runner.arch }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
+      - name: Ensure sccache directory exists
+        if: needs.skip-if-clean.outputs.internal == 'true'
+        run: sudo mkdir -p /mnt/sccache && sudo chown $(id -u):$(id -g) /mnt/sccache
+
       - name: Mount sccache disk cache
         if: needs.skip-if-clean.outputs.internal == 'true'
         uses: useblacksmith/stickydisk@13af8883542ca949a717e70fef89d15edbb29d88 # v1.2.0