e2e_tests/mangled_ping: Fix socket path #1810

Job	Run time
Cross-compile Parsec to various targets	15m 34s
build-and-export-test-all-docker	0s
Check links	11s
Cargo check all-providers (current Rust stable & old compiler)	17m 4s
Various tests targeting a Parsec image with all providers included	40m 2s
Integration tests using CryptoAuthentication Library provider	16m 26s
Check that the fuzz testing framework is still working	15m 47s
Integration tests using Mbed Crypto provider	16m 45s
OnDiskKIM E2E tests on all providers	33m 56s
Integration tests using PKCS 11 provider	16m 28s
Integration tests using TPM provider	20m 32s
Integration tests using Crypto Trusted Service provider	16m 4s
	3h 28m 49s

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