Merge pull request crossplane#5781 from tampakrap/earthfile_crank_exe

fix(Earthfile): Add .exe extension in the windows binaries

Earthfile

@@ -154,12 +154,16 @@ go-build:
   ARG GOFLAGS="-ldflags=-X=github.com/crossplane/crossplane/internal/version.version=${CROSSPLANE_VERSION}"
   ARG CGO_ENABLED=0
   FROM +go-modules
+  LET ext = ""
+  IF [ "$GOOS" = "windows" ]
+    SET ext = ".exe"
+  END
   CACHE --id go-build --sharing shared /root/.cache/go-build
   COPY --dir apis/ cmd/ internal/ pkg/ .
-  RUN go build -o crossplane ./cmd/crossplane
-  RUN go build -o crank ./cmd/crank
-  SAVE ARTIFACT crossplane AS LOCAL _output/bin/${GOOS}_${GOARCH}/crossplane
-  SAVE ARTIFACT crank AS LOCAL _output/bin/${GOOS}_${GOARCH}/crank
+  RUN go build -o crossplane${ext} ./cmd/crossplane
+  RUN go build -o crank${ext} ./cmd/crank
+  SAVE ARTIFACT crossplane${ext} AS LOCAL _output/bin/${GOOS}_${GOARCH}/crossplane${ext}
+  SAVE ARTIFACT crank${ext} AS LOCAL _output/bin/${GOOS}_${GOARCH}/crank${ext}
 
 # go-multiplatform-build builds Crossplane binaries for all supported OS
 # and architectures.