*: fix gomodproxy compatibility

This is necessary for the source to be fetchable from third-party Go
projects (currently via a replace directive, as source.monogon.dev isn't
go-getable). Otherwise, `go mod tidy` complains:

reading https://sum.golang.org/lookup/github.com/monogon-dev/monogon@v0.0.0-20230223122556-665b10937eb8: 404 Not Found
	server response:
	not found: create zip: build/analysis/BUILD.bazel: case-insensitive file name collision: "BUILD" and "build"
	build/analysis/importsort/BUILD.bazel: case-insensitive file name collision: "BUILD" and "build"
	build/analysis/importsort/classify.go: case-insensitive file name collision: "BUILD" and "build"
	build/analysis/importsort/importsort.go: case-insensitive file name collision: "BUILD" and "build"
	build/analysis/importsort/importsort_test.go: case-insensitive file name collision: "BUILD" and "build"
	build/analysis/importsort/testdata/README.md: case-insensitive file name collision: "BUILD" and "build"
	[Truncated: too long.]

Change-Id: If5947be74f7dfcf4ba4bd79c4dc37589f324b891
Reviewed-on: https://review.monogon.dev/c/monogon/+/1223
Tested-by: Leopold Schabel <leo@monogon.tech>
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/BUILD b/BUILD.bazel
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rename from BUILD
rename to BUILD.bazel
diff --git a/build/bindata/BUILD b/build/bindata/BUILD.bazel
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rename from build/bindata/BUILD
rename to build/bindata/BUILD.bazel
diff --git a/build/toolchain/BUILD b/build/toolchain/BUILD.bazel
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rename from build/toolchain/BUILD
rename to build/toolchain/BUILD.bazel
diff --git a/build/toolchain/llvm-efi/BUILD b/build/toolchain/llvm-efi/BUILD.bazel
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diff --git a/build/toolchain/musl-host-gcc/BUILD b/build/toolchain/musl-host-gcc/BUILD.bazel
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rename from build/toolchain/musl-host-gcc/BUILD
rename to build/toolchain/musl-host-gcc/BUILD.bazel
diff --git a/build/toolchain/musl-host-gcc/sysroot/BUILD b/build/toolchain/musl-host-gcc/sysroot/BUILD.bazel
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rename from build/toolchain/musl-host-gcc/sysroot/BUILD
rename to build/toolchain/musl-host-gcc/sysroot/BUILD.bazel
diff --git a/metropolis/installer/test/testos/BUILD b/metropolis/installer/test/testos/BUILD.bazel
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rename to metropolis/installer/test/testos/BUILD.bazel
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rename to metropolis/test/nanoswitch/BUILD.bazel
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diff --git a/third_party/cap/patches/BUILD b/third_party/cap/patches/BUILD.bazel
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diff --git a/third_party/dosfstools/BUILD b/third_party/dosfstools/BUILD.bazel
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diff --git a/third_party/edk2/external/BUILD b/third_party/edk2/external/BUILD.bazel
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diff --git a/third_party/efistub/patches/BUILD b/third_party/efistub/patches/BUILD.bazel
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diff --git a/third_party/gazelle/BUILD b/third_party/gazelle/BUILD.bazel
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diff --git a/third_party/gnuefi/BUILD b/third_party/gnuefi/BUILD.bazel
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diff --git a/third_party/inih/BUILD b/third_party/inih/BUILD.bazel
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diff --git a/third_party/intel_ucode/BUILD b/third_party/intel_ucode/BUILD.bazel
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diff --git a/third_party/linux-firmware/BUILD b/third_party/linux-firmware/BUILD.bazel
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diff --git a/third_party/lz4/BUILD b/third_party/lz4/BUILD.bazel
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diff --git a/third_party/pixman/BUILD b/third_party/pixman/BUILD.bazel
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diff --git a/third_party/qemu/BUILD b/third_party/qemu/BUILD.bazel
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