[Backport v3.0] Fix `@` in URL path confusing the parser #6869

Job	Run time
all-integration-tests	23m 47s
Build Spin Ubuntu	22m 14s
Build Spin (windows-latest)	47m 0s
Build Spin static (aarch64, aarch64-unknown-linux-musl)	15m 37s
Build Spin (macos-13)	43m 53s
Review new dependencies for known vulnerabilities	4s
Build Spin static (amd64, x86_64-unknown-linux-musl)	15m 20s
Build Spin (macos-14)	10m 30s
Run release build steps (ubuntu-20.04, amd64, --features openssl/vendored, target/release)	15m 22s
Lint Rust	6m 8s
Run release build steps (ubuntu-20.04, aarch64, --features openssl/vendored --target aarch64-unkn...	16m 55s
Test Spin (ubuntu-22.04-4core-spin)	14m 50s
Run release build steps (macos-13, amd64, target/release)	29m 39s
Test Spin (macos-14)	24m 47s
Run release build steps (macos-14, aarch64, target/release)	11m 32s
Run release build steps (windows-latest, amd64, .exe, target/release)	28m 33s
	5h 26m 11s

Provide feedback