e2e_tests/mangled_ping: Fix socket path #1798

Job	Run time
Check links	14s
build-and-export-test-all-docker	0s
Cross-compile Parsec to various targets	12m 1s
Cargo check all-providers (current Rust stable & old compiler)	18m 16s
Various tests targeting a Parsec image with all providers included	43m 40s
Integration tests using CryptoAuthentication Library provider	12m 29s
Check that the fuzz testing framework is still working	18m 54s
Integration tests using Mbed Crypto provider	18m 59s
OnDiskKIM E2E tests on all providers	46m 17s
Integration tests using PKCS 11 provider	16m 42s
Integration tests using TPM provider	21m 2s
Integration tests using Crypto Trusted Service provider	15m 42s
	3h 44m 16s

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