Bump third_party/pigweed/repo from f4d0b35 to cf4291d (#28404)

* Bump third_party/pigweed/repo from `f4d0b35` to `cf4291d`

Bumps [third_party/pigweed/repo](https://github.com/google/pigweed) from `f4d0b35` to `cf4291d`.
- [Commits](google/pigweed@f4d0b35...cf4291d)

---
updated-dependencies:
- dependency-name: third_party/pigweed/repo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Attempt to save a bit of space by not compiling unneeded app during coverage run

* Split out ef32 builds to try to not run out of storage

* Another update to try to reduce size of coverage output - do not build additional tools

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andrei Litvin <[email protected]>

.github/workflows/examples-efr32.yaml

@@ -61,22 +61,42 @@ jobs:
            scripts/examples/gn_silabs_example.sh examples/lighting-app/silabs ./out/light-app BRD4187C --slc_generate --docker
            scripts/examples/gn_silabs_example.sh examples/lighting-app/silabs ./out/light-app BRD4164A --slc_generate --docker
            rm -rf ./out/
-      - name: Build some BRD4187C variants
+      - name: Build some BRD4187C variants (1)
         run: |
           ./scripts/run_in_build_env.sh \
              "./scripts/build/build_examples.py \
                 --enable-flashbundle \
-                --target efr32-brd4187c-window-covering-additional_data_advertising \
                 --target efr32-brd4187c-thermostat-openthread_mtd \
                 --target efr32-brd4187c-switch-sed-shell-use_ot_coap_lib \
                 --target efr32-brd4187c-unit-test \
+                build \
+                --copy-artifacts-to out/artifacts \
+             "
+      - name: Clean out build output
+        run: rm -rf ./out
+      - name: Build some BRD4187C variants (2)
+        run: |
+          ./scripts/run_in_build_env.sh \
+             "./scripts/build/build_examples.py \
+                --enable-flashbundle \
                 --target efr32-brd4187c-light-use_ot_lib \
-                --target efr32-brd4187c-light-rpc \
                 --target efr32-brd4187c-pump \
                 --target efr32-brd4187c-lock-rpc-shell-enable_heap_monitoring \
                 build \
                 --copy-artifacts-to out/artifacts \
              "
+      - name: Clean out build output
+        run: rm -rf ./out
+      - name: Build BRD4187C variants (3)
+        run: |
+          ./scripts/run_in_build_env.sh \
+             "./scripts/build/build_examples.py \
+                --enable-flashbundle \
+                --target efr32-brd4187c-window-covering-additional_data_advertising \
+                --target efr32-brd4187c-light-rpc \
+                build \
+                --copy-artifacts-to out/artifacts \
+             "
       - name: Prepare some bloat report from the previous builds
         run: |
           .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py \

scripts/build_coverage.sh

@@ -119,7 +119,13 @@ if [ "$skip_gn" == false ]; then
     source "$CHIP_ROOT/scripts/activate.sh"
 
     # Generates ninja files
-    gn --root="$CHIP_ROOT" gen "$OUTPUT_ROOT" --args='use_coverage=true chip_build_all_clusters_app=true'
+    EXTRA_GN_ARGS=""
+    if [[ "$TESTS" == "yaml" || "$TESTS" == "all" ]]; then
+      EXTRA_GN_ARGS="$EXTRA_GN_ARGS chip_build_all_clusters_app=true"
+    else
+        EXTRA_GN_ARGS="$EXTRA_GN_ARGS chip_build_tools=false"
+    fi
+    gn --root="$CHIP_ROOT" gen "$OUTPUT_ROOT" --args="use_coverage=true$EXTRA_GN_ARGS"
     ninja -C "$OUTPUT_ROOT"
 
     # Run unit tests