Check if the 6.1 Mar. 7 snapshot still builds

Author: finagolfin

.github/workflows/sdks.yml

@@ -25,7 +25,7 @@ jobs:
             SWIFT_TAG="swift-${LATEST_TOOLCHAIN_VERSION}-RELEASE"
           elif [ ${{ matrix.version }} = 'devel' ]; then
             LATEST_TOOLCHAIN_VERSION=$(curl -sL https://github.com/apple/swift/tags | grep -m1 swift-6.1-DEV | cut -d- -f8-10)
-            SWIFT_TAG="swift-6.1-DEVELOPMENT-SNAPSHOT-${LATEST_TOOLCHAIN_VERSION}-a"
+            SWIFT_TAG="swift-6.1-DEVELOPMENT-SNAPSHOT-2025-03-07-a" # ${LATEST_TOOLCHAIN_VERSION}-a"
           else
             LATEST_TOOLCHAIN_VERSION=$(curl -sL https://github.com/apple/swift/tags | grep -m1 swift-DEV | cut -d- -f7-9)
             SWIFT_TAG="swift-DEVELOPMENT-SNAPSHOT-${LATEST_TOOLCHAIN_VERSION}-a"