Add http.route tag setting to rack middleware as fallback #29

	name: Test for memory leaks
	on: [push]
	jobs:
	test-memcheck:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.4.0-preview1 # TODO: Use stable version once 3.4 is out
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	bundler: latest
	cache-version: v1 # bump this to invalidate cache
	- run: sudo apt install -y valgrind && valgrind --version
	- run: bundle exec rake compile spec:profiling:memcheck
	test-asan:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	# We're using a fork of ruby/setup-ruby because the "asan" tool is built into the clang compiler toolchain, and
	# needs Ruby to be built with a special configuration.
	#
	# The special configuration is not yet available in the upstream `ruby/setup-ruby` github action, so I needed to
	# fork it and push a small tweak to make it available.
	#
	# (The Ruby builds were added in https://github.com/ruby/ruby-dev-builder/pull/10 ).
	- uses: datadog/setup-ruby@0c7206d6db81faf999795ceebfac00d164298bd5
	with:
	ruby-version: asan
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	bundler: latest
	cache-version: v1 # bump this to invalidate cache
	- run: env RUBY_FREE_AT_EXIT=1 LSAN_OPTIONS=verbosity=0:log_threads=1:suppressions=`pwd`/suppressions/lsan.supp ASAN_OPTIONS=detect_leaks=1 bundle exec rake spec:profiling:main

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