NSS 3.115 release

[Benjamin Beurdouche]

Network Security Services (NSS) 3.115 was released on 15 August 2025.

The HG tag is NSS_3_115_RTM. This version of NSS requires NSPR
4.35 or newer. The latest version of NSPR is 4.37.

NSS 3.115 source distributions are available on ftp.mozilla.org
for secure HTTPS download:
<https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_115_RTM/src/>

Changes:

   - Bug 1970304 CID 1648399 - Resource leak in shlibsign.c.
   - Bug 1981034 - CKA_SEED needs to be marked as a private attribute.
   - Bug 1981518 - Fix bad syntax on Windows in softoken_gtest.cc.
   - Bug 1974505 - Key private/public/secret keys by key type in softoken keydb.
   - Bug 1980990 - add PK11_HPKE_GetSharedSecret to abi-check expected report.
   - Bug 1980429 - remove NetscapeStepUpMatchesServerAuth from mozpkix TrustDomain.
   - Bug 1927351 - Fixup ABI.
   - Bug 1927351 - add ECH_SECRET and ECH_CONFIG to SSLKEYLOG for both client and server.
   - Bug 1900841 - ECH fuzz target.
   - Bug 1965331 - Implement PKCS #11 v3.2 FIPS indicator and validation objects.
   - Bug 1978677 - remove expired explicitly distrusted DigiNotar lookalike root.
   - Bug 1965329 - Implement PKCS #11 v3.2 functions.